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Human Physiology
BISC 104
159
Biology
Undergraduate 3
12/15/2009

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Term
Heterotroph
Definition
We are heterotrophs - all nutrient obtaining organisms
Term
macro nutrients
Definition
carbs, lipids, proteins
Term
micro nutrients
Definition
vitamins and minerals
Term
Carb % of our daily value
Definition
45% - 65%
Term
Protein % of our daily value
Definition
15%
Term
Lipid % of our daily value
Definition
20-35%
Term
Energy from Carb in kCal/g
Definition
4 kCal/G
Term
Energy from Protein in kCal/g
Definition
4 kCal/g
Term
Energy from Fat in kCal/G
Definition
9 kCal/G
Term
Energy from Alcohol in kCal/g
Definition
7 kCal/g
Term
BMI equation
Definition
(Weight x 705)/(Height(^2))
Term
Healthy BMI margins
Definition
18.5 < BMI < 25
Term
Overweight BMI margin
Definition
25 < BMI < 30
Term
Obese BMI Margin
Definition
BMI > 30
Term
Carb digestion requires..
Definition
Water and Amylase
Term
Amylase is found
Definition
in the Saliva and the small intestines
Term
Amylase is produced
Definition
in the pancreas
Term
Carbs are broken down into...
Definition
mono-saccharides
Term
Protein Digestion requires
Definition
Water and Pepsin
Term
Pepsin is found in..
Definition
the stomach
Term
Proteins are broken down into...
Definition
Amino Acids
Term
Lipid digestion requires
Definition
No Water, and Lipase
Term
Triglycerides (Fat/Lipid) become...
Definition
Free fatty acids
Term
Bolus
Definition
Mushed up food in the mouth
Term
Cause of mumps
Definition
Infection of the salivary glands
Term
First line of defense in your mouth
Definition
tonsils
Term
Saliva contains these 2 enzymes
Definition
lysozyme (destroys bacteria) and amylase (digestion)
Term
Voluntary Mouth Movement
Definition
tongue
Term
involuntary mouth movement
Definition
uvula closing/opening
Term
semi-digested food found in stomach
Definition
Chyme
Term
pH of the Stomach is...
Definition
2 pH = very acidic
Term
Bacteria causing Ulcers
Definition
Heliobacter Pylori
Term
Stomach Wall Secretes this
Definition
HCL
Term
Contains of the Stomach (digestive properties)
Definition
Mucous, Acid (HCL), Pepsinogen = protein digestion occuring
Term
Lacteal
Definition
Digestion of fat
Term
Lacteal occurs in
Definition
the small intestine
Term
Most of digestion occurs
Definition
in the small intestine
Term
Mechanical Digestion occurs
Definition
Stomach
Term
Chemical Digestion occurs
Definition
Mouth and Small Intestines
Term
Hormones relating to digestion
Definition
Gastrin, Secretin, Intrinsic Factor, Cholecystokinin (Digestive Enzyme)
Term
Intrinsic Factor is important for..
Definition
Processing B12 = for energy
Term
Gastrin Hormone
Definition
Stimulates liver and pancreas to produce gastric juices
Term
Secretin Hormone
Definition
Stimulates pancreas to produce bicarbonate buffer
Term
Layers of the GI tract
Definition
Outter is supporting, Inner Muscular Layers, inner delicate mucosa
Term
Mesentry
Definition
"gut bag" that keeps all our GI tract in place in our body
Term
villi
Definition
add more surface area to GI tract increasing absorption
Term
Pancreas secretes
Definition
bicarbonates, amylase, insulin
Term
Pancreatitis
Definition
inflammation of pancreatic ducts -> pancreas can rupture
Term
Liver produces
Definition
bile from hemoglobin = aids in fat digestion
Term
gallbladder
Definition
stores bile and releases it
Term
Kidneys play vital role in synthesis of...
Definition
red blood cells
Term
How much of the blood pumps through the kidneys
Definition
1/3 of the blood from the heart
Term
Where does blood go from the kidney?
Definition
blood goes through the cortex
Term
pH of the urine
Definition
can be between 2 and 9
Term
Ureter
Definition
where blood enters the bladder, its in the bottom, bladder extends upwards
Term
Early Pregnancy Tests detects
Definition
hCG (human chorionic gonadotropin detectable in blood and urine
Term
if ultrafiltrate is 600 mOsmls in the middle of the descending limb what will it be at the bottom?
Definition
1200 mOsmsls it goes from 300->600->1200 (max) then begins to decrease as it ascends
Term
ultrafiltrate in relativity to blood plasma
Definition
ISOtonic meaning it is the same concentration of solute to solvent
Term
ADH
Definition
Anti-Diuretic Hormone controls water loss in urine when released it makes renal tube more permeable
Term
Alcohol Consumption and ADH
Definition
ADH is blocked during alcohol consumption which causes dehydration
Term
Steroidal Hormones
Definition
they are water soluble and may pass through the target cells bi-layer
They bind in cytoplasm and make mRNA = proteins
Term
Non Steroidal Hormones
Definition
they are not water soluble and must use second messenger
Term
Beta Cells
Definition
in pancreas produce insulin
Term
Insulin is a response to ______ blood sugar
Definition
High
Term
Glucagon is a response to _______ blood sugar
Definition
low
Term
Glucagon is produced in
Definition
the pancreas (like insulin!)
Term
Diabetes I
Definition
Self destructive beta cells destroyed by pancreas auto immunity disorder
Term
Diabetes II
Definition
Insulin receptors not properly functioning
Term
Corpus Luteum
Definition
Produces progesterone
Term
Pleitrophy
Definition
The single gene controlling or influencing multiple (and possibly unrelated) phenotypic traits.
Term
Genotype
Definition
Mixture of Alleles such as Aa or AA or aa
Term
phenotype
Definition
physical expression of genotype
Term
Autosomal dominant genes
Definition
this means it will definitely be expressed Achondroplastic dwarfism is an example of this, it is there from birth
Term
XX is
Definition
female
Term
XY
Definition
Male
Term
the default chromosome, an unfertilized egg is
Definition
X chromosomes - you need at least one to survive
Term
number of Autosomal chromosomes
Definition
22 (not sex chromosomes)
Term
Haploid number for humans (2n)
Definition
23 haploid number sets = n we have 46 chromosomes total
Term
Mitosis (most common)
Definition
Genes double, conserve chromosome sets producing genetically identical cells to parents
Term
Meiosis (Genetic Diversity)
Definition
reduces chromosomes sets from diploid to haploid. They duplicate before they split
Term
Cross Over (Meiosis)
Definition
this is important for genetic diversity - it is not random = exchange of information
Term
Male and Female Egg/Sperm production
Definition
females create 1 useful (zygote) of 4 total. Males create 4 useful
Term
oogenisis
Definition
creation of the egg
Term
spermitogensis
Definition
creation of sperm
Term
Menopause and Corpus Luteum
Definition
Progesterone is excessive during this time
Term
Egg must move to...
Definition
the Ova DUCT
Term
Ectopic Pregnancy
Definition
Occurs outside of ova duct and in other layers of uterus
Term
Endocrine and Exocrine
Definition
Endocrine secrete internally, exocrine secret outside its own system (sweat) ***pancreas is both***
Term
Pancreas produces (3 hormones)
Definition
Glucagon, Insulin and Somatostatin
Term
Kidney produces (2 Hormones)
Definition
Erythropoietin, Renin
Term
Testes Produce (hormone)
Definition
testosterone
Term
Ovaries produce (2 hormones)
Definition
progesterone and estrogen
Term
Anterior Pituitary
Definition
CTH, TSH, FSH, LH, Prolactin, Growth Hormone (Super hormones)
Term
Posterior
Definition
ADH, Oxytocin
Term
Adrenal Gland Cortex
Definition
Cortisol and aldosterone
Term
Adrenal Medulla Secretes
Definition
Epinephrine and Norepinephrine
Term
How does the hypothalamus play a roll in the endocrine system?
Definition
Hypothalamus connects the nervous to the endocrine, Oxytocin and ADH are stimulated by Hypothalamus. Response to fight or flight
Term
Thyroid gland
Definition
contains Iodine!
Term
What causes a goiter?
Definition
Iodine deficiency
Term
What causes hyperthyroidism
Definition
over production of the thyroid gland, characterized by bulging eyes
Term
Does the Cortex of the Hypothalamus trigger calming or stress response?
Definition
Cortex is calming = parasympathetic
Term
Does the Medulla of the hypothalamus trigger calming or stress response?
Definition
Medulla is stress = sympathetic
Term
What does LH stimulate for males?
Definition
It stimulates testosterone production
Term
What does FSH do in males?
Definition
It enhances sperm formation and aids spermogenisis
Term
What is the most common STD
Definition
Chlamydia
Term
What purpose do morphogens serve in development?
Definition
The assist in the movement
Term
What purpose do Mitogens serve in development?
Definition
Mitogens aid cell division
Term
pronuclei
Definition
when sperm and egg fuse together
Term
What will the outer cell become in development?
Definition
Embryonic layer will become placenta
Term
Totipotent
Definition
become the embryo blastocyst -> burrows into uterine wall and becomes the placenta into uterus and moves out
Term
somites
Definition
bands on the developing fetus at 32 days
Term
What happens after 52 days of development?
Definition
New genetic structure doesn't form, we are simply growing from that point forward
Term
Teratology
Definition
study of birth defects
Term
Schizophrenia has been linked to be caused by this pre-birth problem...
Definition
Stress
Term
karyotype
Definition
characterization of chromosomal complement of species, including number, form and size of chromosomes
Term
karyotype
Definition
characterization of chromosomal complement of species, including number, form and size of chromosomes
Term
What do you need to create a karyotype?
Definition
amniotic fluid
Term
karyotype
Definition
characterization of chromosomal complement of species, including number, form and size of chromosomes
Term
What do you need to create a karyotype?
Definition
amniotic fluid
Term
What creates the 3D shape of DNA?
Definition
Protein Folding
Term
What purpose does ligase serve in genetics?
Definition
it holds together nucleic strands
Term
What is a vector in terms of genetics?
Definition
It is a modified sequence of DNA
Term
What are plasmids formed from?
Definition
Virus
Term
Intersexes
Definition
proper term for those physically born with both parts, or parts that are incorrect to the mental thoughts of the person
Term
What is contact inhibition in cells?
Definition
When cells are growing and come in contact they should register to stop growing
Term
What are Ghastly Cells?
Definition
They're cancerous cells that try and grab and engulf everything around them
Term
Metistatic Cancer
Definition
almost never curable 80% chance of death
Term
Why is breast cancer so dangerous?
Definition
Because cancer enters the blood stream through lymph, which is easily accessible in the breasts
Term
Displasia
Definition
is the error in synthesis in cells
Term
What characterizes a cancerous tumor?
Definition
Abnormal cell structure, spreading, raised, not clearly defined edges
Term
Conventional Cancer treatments
Definition
Surger, Radiation and chemo
Term
Immunotherapy (cancer)
Definition
promotes the immune response
Term
Starving Cancer
Definition
Inhibits the angiogensis because cancer needs oxygen to grow
Term
Proto oncogenes (cancer)
Definition
we need these for normal growth, however when they become damaged they cause cancer
Term
What is known as the guardian angel gene?
Definition
P53, it tells the Tumor to stop growing
Term
Adenoma
Definition
A benign growth
Term
What are carcinogens?
Definition
THey are external factors that lead to cancer, such as virus, diet, industrial chemicals, radiation, obesity, diet lifestyle etc
Term
Where are Parietal cells found, and what do they do?
Definition
THey are found in the gastric gland, and they secrete HCL in the stomach
Term
If you ingest sugar, what will happen to your insulin levels?
Definition
They will spike
Term
What is severed during a vasectome?
Definition
Vas Deferns
Term
What does the birth control pill inhibit the release of?
Definition
LH and FSH
Term
How much liquid does the average person discharge in a day?
Definition
1-2 liters
Term
Which part of the proximal convoluted tube is NOT permeable to water?
Definition
the Ascending limb
Term
Aside from Menopause, what is progesterone's function?
Definition
Implantation of pregnancy
Term
Corpus Luteum Secrete both:
Definition
Progesterone and Estrogen
Term
Where is bile produced, and what does it digest?
Definition
It is formed in the liver, and aids in fat digestion
Term
Cortisol is released in response to:
Definition
Stress, it is anti inflammatory
Term
What does the acrosome do on a sperm?
Definition
IT is a digestive enzyme that depletes the outer layers of the ovum
Term
What do leydig cells produce?
Definition
Testosterone
Term
What hormone stimulates the release of breast milk?
Definition
Oxytocin
Term
What part of the testes are sperm produced?
Definition
Seminiferous
Term
What hormone plays a major role in the synthesis of RBC's in the Kidney
Definition
Erythropotien
Term
Hysterectomy is the removal of
Definition
the uterus
Term
What is the glomerular filtration rate in ml/min
Definition
120ml/min
Term
What protects the stomach from its own acidity?
Definition
Protective Mucus, quick Regeneration of cells, Pepsinogen is inactive in the stomach
Term
What are differences in type I and II diabetes?
Definition
type 1 is childhood onset, insulin dependent, auto immune

type 2 is adult onset, insulin resistant, likely from lifestyle
Term
What does the hormone Renin regulate? (cardiovascular)
Definition
it regulates the vascular blood pressure, and converts angiotensin to change levels
Term
Estrogen and LH levels during days 10 to 13 of menstrual cycle...
Definition
They increase
Term
What happens to body temperature after ovulation
Definition
increases
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