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Exploring Creation w/ Human Anatomy and Physiology Lesson 2
Vocabulary Words
22
Science
6th Grade
10/04/2010

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Term
Skeletal system
Definition
the network of bones inside of you
Term
skull
Definition
hard bone(s) that protect your brain from damage
Term
rib cage
Definition
bones that protect the heart, lungs, and other organs
Term
lipids
Definition
fat that bones store and release when needed
Term
minerals
Definition
the body uses minerals to function
Term
calcium
Definition
a mineral that keeps your heart beating regularly
Term
calcium salts
Definition
calcium in the form of a hard material
Term
osteoporosis
Definition
a disease that results in weak bones with tiny holes in them
Term
vitamin D
Definition
a nutrient made by your body to make your body strong
Term
rickets
Definition
a condition from not getting enough vitamin D
Term
malnutrition
Definition
what a person suffers from when they don't get the right kinds of nutrients
Term
phosphorus
Definition
a mineral that you can get from by eating whole-grain cereals, fish, milk, and green vegetables
Term
joints
Definition
they allow you to move around in many interesting ways
Term
periosteum
Definition
the thin, tough membrane outside layer of the bone
Term
remoldeling
Definition
building a destroyed (or broken) bone or any other thing
Term
compact bone
Definition
the thick, hard membrane of the middle layer
Term
collagen
Definition
calcium-rich minerals and tough fiber
Term
bone marrow
Definition
thick fluid inside bones
Term
red bone marrow
Definition
where blood cells are made
Term
yellow bone marrow
Definition
they store up lipids (fats)
Term
cartilage
Definition

a firm but resilient substance

(like your nose is made of cartilage)

Term
joint cartilage
Definition
they keep your bones from getting hurt when they rub up against one another
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