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Health 9th grade Chapter 1
study guide for ch 1
41
Health Care
9th Grade
09/07/2011

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Term
amino acids
Definition
protiens that are made up of long chains of building blocks
Term
carbohydrates
Definition
food substances consiting of carbon, hydrogen, and oxygen
Term
liver
Definition
largest internal organ in the body; reddish brown organ that carries out a variety of essential functions
Term
enamel
Definition
the hardest substance in the body; covers crowns on teeth
Term
Gingiva
Definition
tissue surrounding teeth
Term
Endocrine glands
Definition
release more than 20 major hormones directly into the bloodstream where they can be transported to cells in other parts of the body; helps to regulate growth and development

The major glands that make up the human endocrine system include the:
•hypothalamus
•pituitary gland
•thyroid
•parathyroids
•adrenal glands
•pineal body
•reproductive glands (which include the ovaries and testes)
Term
pituitary gland
Definition
right below brain, sometimes referred to as the "master gland" as it controls hormone functions such as our temperature, thyroid activity, growth during childhood, urine production, testosterone production in males and ovulation and estrogen production in females. In effect the gland functions as our thermostat that controls all other glands
Term
digestion
Definition
physical and chemical breakdown of complex nutrients
Term
adolescence
Definition
transitional change from childhood to adulthood
Term
lipid
Definition
a general term for fat-like substances that are typically insoluable in water
Term
antioxidants
Definition
substance that nuetralizes harmful molecules called free radicals
Term
nutrient density
Definition
the proportion of nutrients compared to the number of calories that food contains
Term
fetus
Definition
what the baby is known as until birth
Term
crown
Definition
part of tooth that we see
Term
kilocalories
Definition
common unit for measuring the energy value of food
Term
metabolism
Definition
the chemical and physical processes by which the body burns food and generates energy
Term
placenta
Definition
structure in the wall of the uterus that provides nourishment to the unborn baby and cleanses waste products
Term
epinephrine
Definition
known as the emergency reaction hormone; secreted by adrenal gland that prepares body for stressful situations
Term
vitamin E
Definition
helps maintain proper immune function, protects cells and nutrients from damage by free radicals, helps fight effects of UV radiation
Term
absorption
Definition
the movement of water, digested food, and dissolves substances into the bloodstream
Term
pediatrician
Definition
provides primary care for infants and children
Term
dentist
Definition
treats disease of the teeth and gum
Term
gastroenterologist
Definition
treats diseases of the digestive system
Term
dent, dont
Definition
tooth
Term
en-,end-, endo-
Definition
in, inside, or within
Term
entero-
Definition
refers to the intestines
Term
gastro-
Definition
refers to the stomach
Term
hepat-, hepato-
Definition
refers to the liver
Term
lip-, lipo-
Definition
fat or fatty
Term
-logy
Definition
means "science" or "study"
Term
macro
Definition
large
Term
-ose
Definition
refers to sugar or carbohydrate
Term
peri-
Definition
surrounding or enclosing
Term
order of digestive tract
Definition
oral cavity, pharynx, esophagus, stomach, small intestine, colon, rectum
Term
thyroid
Definition
secretes hormones that regulate the body's metabolism
Term
pineal gland
Definition
regulates body's waking up and sleeping cycle
Term
islets of langerhans
Definition
secretes hormones insulin and glucagon
Term
parathyroid gland
Definition
regulates amount of calcium in blood
Term
carbs, proteins, fats
Definition
where most of your bodies nutritional needs comes from
Term
saturated fat
Definition
animal fats; solid at room temperature
BAD FAT
Term
unsaturated fat
Definition
vegetable oils
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