Shared Flashcard Set

Details

26
26
36
Biology
Undergraduate 1
07/12/2010

Additional Biology Flashcards

 


 

Cards

Term
homeostasis
Definition
the maintaining of constant internal environment as a result of monitoring and  modifying the functioning of various systems
Term
negative feedback inhibition
Definition

an increase in the stimulus causes a decrease in the response

 

 less of something

 

(what we use to keep us @ homeostasis)

Term
positive feed back
Definition

an increase in stimulus causes an increase in the response and doesnt result in homestasis

 

 

Term

 

motor neurons

[image]

Definition
carry messages from the central nervous system to the muscles and glands
Term

 sensory neurons

 

Definition
carry input from the sense organs to the central nervous system
Term
neurotransmitters
Definition
nerves talk to each other using what kind of chemicals

chemicals are put between the nerves they are called
Term
hormones
Definition

a specific molecule that is released by one organ and transports to another organ where  it triggers a change in the other organs activities 

 

if a chemical is dumped in your blood it is called this

Term
target cells
Definition
the specific cells a hormone affects
Term

epinephrine/adredaline

 

 

 

Definition
a hormone produced by the adrnal medulla and certain nerve cells that increases heart rate blood pressure and breathing rate
Term

ADH

(antidiruretic hormone)

Definition

regulates the rate @ which the body loses water through the kidneys

does this by encouraging the reabsorbtion of water from the collecting ducts of the kidneys

Term

GSH

 

(growth stimulating hormones)

Definition
is produced by the arterior pituitory gland over a period of years and results in typical human growth
Term
sensory input
Definition
is detected through many kinds of mechinisms including chemical recognition and the detection of energy changes  and the monotoring of physical factors sensing your enviroment ( tpuch, sight, hearing)
Term
what are the 5 kinds of taste
Definition
sweet, bitter, sour, umani (meaty), salty
Term
cones
Definition
which cells in the eye see color
Term
which cells in the eye see black and white
Definition
rods
Term
where in the eye do we see w/ the most acuity
Definition
favea centalis
Term

what are the 3 inner bones

 

[image]

Definition
malleus, incus, stapes
Term
which part of the ear helps us detect sound
Definition

cochlea

 

[image]

Term
which part of the ear helps us maintain balance
Definition

[image]semicircular canals

 

 

Term
which 2 fibers allows our muscles to contract
Definition
actin and myosin
Term
what holds muscle to muscle
Definition
aponeurosis
Term
what holds muscle to bone
Definition
Tendons connects
Term
what holds bone to bone
Definition
Ligaments
Term
immune system
Definition

 

 

(defends body against infectious deseases)

Term
nonspecific defenses
Definition
will defend you against everything
Term
specific defenses
Definition
 comprise a specific defense measure against one particular thing
Term

 B-cells

 

(specific defense)

Definition

makes antibody

 

grow up in the bone marrow

 

specific in that they only land on one antigen

 

 

Term
what is the function of the t-cells
Definition

 

 

 

grow up in thymus

feel around all cells in the body and kills cell that holds virus

 

Term
allergic reaction
Definition
 reaction to an antigen
Term
autoimmune disease
Definition

 

(disorder caused from the immune system turning against the normal chemicals and cells of the body)

 

bcells and tcells are attackin the body

Term
immunodeficiency disease
Definition

 result in the immune system not having one or more component cells or chemicals

so system cant provide the protection needed to maintain health

Term
anitdiritic hormone
Definition
hormone that makes you pee
Term
diatbetes mellitus (type 1 and 2)
Definition
sugar problem
insulin hormone causes insulin to be low
Term
diabetes insipidus
Definition
the hormone ADH problem
Term
antigen
Definition
anything u r allergic too. anything thats foreign to you. most potent antigens are proteins
Supporting users have an ad free experience!