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Science Ch 3 Review-Human Body Systems Flashcards | StudBud

Explore/Science Ch 3 Review-Human Body Systems

What system removes wastes?

What happens when carbon dioxide builds up in the blood?

Science Ch 3 Review-Human Body Systems

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Science Ch 3 Review-Human Body Systems

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Questions 13

Answers

1
What happens when carbon dioxide builds up in the blood?
brain tells diaphragm and rib muscles to breathe
brain shuts down
nothing
veins expand
2
What system removes wastes?
respiratory
circulatory
digestive
urinary
3
Kidneys can...
regulate the level of water in the blood
regulate the level of salt in the blood
reject blood
clean blood
4
What is found around the wall of each air sac in the lungs?
arteries
capillaries
veins
blood
5
What organs help digest food?
kidney
stomach
liver
pancreas
6
What are villi?
tubes in the kidney
sticky, thick fluid that traps dust
blood filters
provide surface area to absorb food
7
What does the small intestine do?
squeezes food along in one direction
digests food
circulates blood
stores food that cannot be digested
8
What starts the digestive process?
teeth grinding on food
when food is swallowed
when food reaches stomach
picking out the best meal
9
The circulatory system is called the
digestive system
light system
blood system
transportation system
10
What does the urinary bladder do?
stores wastes and water until ready to leave body
lets it all go away
circulates blood
stores vitamins and nutrients
11
What does a vein do?
it is the smallest blood vessel
carries blood from heart to cells
carries blood from cells to the heart
flaps that act like doors to keep blood flowing
12
What is in the esophagus?
a bumpy surface that holds food in place
rings of muscle that squeeze food down
a tunnel-like surface
rings of muscle that push food up
13
When you are sick, your body makes more
food
white blood cells
platelets
red blood cells