The Skin
Digestive System
Circulatory System
Reproductive System
Muscular System
100
How many skin cells do we lose everyday?
2 Billion
100
Where does digestion begin?
The mouth
100
What is the "engine" of the circulatory system?
The heart
100
What is the function of the reproductive system?
To Reproduce
100
Give an example of a voluntary muscle working.
Smiling or walking
200
Name one way the skin protects us.
1. Keeps germs out 2. Protects internal organs 3. Keeps everything inside
200
Name an example of MECHANICAL digestion.
Chewing
200
What is another name for the circulatory system?
The cardiovascular system
200
True or False: Women are born with a "lifetime" supply of eggs?
True
200
Give an example of an involuntary muscle working.
Heart beating, diaphragm, digestive system
300
Name one of the three things elastin and collegean do for our skin.
1. Provides structure 2. Provides strength 3. Provides elasticity
300
What organ keeps us hydrated?
Large intestine
300
Name the three things that make up the circulatory system.
1. Heart 2. Blood 3. Blood vessels
300
Where are sperm produced?
The testicles
300
____ powers the muscles.
Glucose
400
What would happen if we had no melanocytes?
1. No melanin 2. No color (albino) 3. We would sunburn easily.
400
What do villi do, and where are they located?
Absorbs nutrients from food, and is located in the small intestine.
400
What do veins carry back to the heart?
Carbon Dioxide
400
Where are eggs produced?
The ovaries
400
Muscles ____ and ____ to help you move.
Contract and relax
500
When dead skin cells collect on a table or desk what does it form?
Dust
500
Name in order the places food goes after it enters the mouth. (4 places)
1. Stomach 2. Small intestine 3. Large intestine (colon) 4. Rectum
500
What do arteries carry, and where do they carry this?
Carry oxygen to every cell in the body.
500
Where does the fetus grow?
The uterus
500
When muscles cramp what are your muscles lacking?
Oxygen
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