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5th Grade Science
Chapter 3 - Human Body Systems TEST PREP
13
Science
5th Grade
10/18/2011

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Cards

Term
Why does a person have to keep breathing?
Definition
The body cannot store oxygen and needs it to release energy.
Term
How does smoking affect a person's lungs?
Definition
Tobacco smoke coats air sacs so that they cannot do their job.
Term
What does a person feel if they put their hand on their throat and hum?
Definition
The vibration as air moves through the larynx.
Term
What can teeth help a person to do?
Definition
They help chew food and make specific sounds.
Term
What does the Heimlich maneuver do?
Definition
It helps dislodge food stuck in a person's throat.
Term
What do enzymes do?
Definition
They are chemicals that help break down food?
Term
What does clogging of the arteries affect?
Definition
It causes the path for blood to become smaller making it harder for blood to pass through.
Term
Why would a person check their pulse near their windpipe?
Definition
The arteries are closer to the skin and it is easier to feel the beat of the heart.
Term
How can body fat affect warmth?
Definition
More body fat can hold in heat.
Term
Why would a person sweat more after physical activity?
Definition
So that they can cool down.
Term
When skin gets cold, what happens to the blood vessel?
Definition
The blood vessel narrows.
Term
When skin gets cold, what happens to the hair?
Definition
The hair stands up.
Term
When skin gets cold, what happens on the surface of the skin?
Definition
A goose bump forms.
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