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Science Quiz
science quiz vocab
18
Biology
7th Grade
02/21/2010

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Cards

Term
types of muscles
Definition

1. cardiac

2. smooth

3. skeletal

Term
tendon
Definition
strong connective tissue that attaches muscle to bone
Term
ligament
Definition

strong connective tissue that attaches bone to bone

Term
epidermis
Definition
the outer layer of skin
Term
dermis
Definition
inner layer of skin
Term
melanin
Definition
a pigment that gives skin its color
Term
care for your skin
Definition

1. healthful diet

2. keeping skin clean

3. limiting sun exposure

Term
hinge joint
Definition

forward or backward movement

 

ex. knee, elbow

Term
ball and socket joint
Definition

swing in a circle

 

ex. shoulder, hips

Term
pivot joint
Definition

bone rotates around another

 

ex. neck

Term
gliding joint
Definition

bone slides over another

 

ex. wrist, ankle

Term
take care of your bones
Definition

diet

 

exercise

Term
osteoporosis
Definition
mineral loss in the body's bones cause them to become weak an break easily
Term
skeletal system injuries
Definition

fracture-break in a bone

dislocation-end of a bone comes out of its joint

sprain-ligaments are stretched to far and tear

Term
x-ray
Definition
a form of energy that travels in waves to take pictures of bones
Term
magnetic resonance imaging (MRI)
Definition
a method for taking clear images of both the bones and soft tissue
Term
skin functions
Definition

protecting the body

maintaining temp.

eliminating wastes

gathering info.

producing vit. C

Term
organ systems
Definition
circulatory, digestive, nervous, skeletal, endocrine, respiratory, excretory, musclular
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