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Science The Muscular System notes
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17
Science
7th Grade
12/05/2011

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Term
What is an organ that can relax, contract, and provides the force to move your body parts?
Definition
muscle
Term
What are muscles that you are able to controle?
Definition
voluntary muscles
Term
What are muscles that you cannot control?
Definition
involuntary muscles
Term
What are the 3 types of muscle tissue?
Definition
-skeletal muscles
-cardiac muscles
-smooth muscles
Term
What type of muscle:
- is the most common
-tendons are thick bands of tissue that attach muscle to bones
-voluntary
- look striped or striated
Definition
skeletal muscles
Term
What kind of muscle:
- found only in the heart
- striated
- ex: intestines
Definition
cardiac muscles
Term
What kind of muscle:
- involuntary
- contract and relax slowly
Definition
smooth muscles
Term
Wha is the largest organ of your body?
Definition
your skin
Term
How many layers of tissue is skin made of?
Definition
3
Term
the outer, thinnest layer
Definition
epidermis
Term
What rubs off when you touch stuff?
Definition
the outermost cells of your skin
Term
Where are new cells constantly produced?
Definition
at the base of epidermis
Term
What produces melanin which is a pigment that protects your skin and gives it color?
Definition
cells
Term
the middle layer
Definition
dermis
Term
What contains blood vessels, nerves, muscles, oil, seat glands and other structures?
Definition
dermis
Term
What does the fatty layer do?
Definition
insulates the body
Term
What are the skins many functions?
Definition
-protection
-sensory response
-formation of vitamin D
- regulation of body temperature
-elimination of wastes
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