Organs And Body Systems Question Preview (ID: 32657)


Structure And Function. TEACHERS: click here for quick copy question ID numbers.

Which of these causes you to breathe in?
a) Muscles in the mouth force air into the lungs.
b) The walls of the ventricles contract.
c) Your diaphragm contracts, lowering the pressure in your chest cavity.
d) Your pyloric sphincter opens.

The tube that brings air into the lungs is called the ____
a) esophagus
b) common bile duct
c) aorta
d) trachea

Which is the only type of muscle that is considered to be voluntary?
a) skeletal
b) cardiac
c) smooth
d)

Which organ produces bile?
a) stomach
b) liver
c) small intestine
d) large intestine

In which digestive organ are most of the nutrients absorbed into the blood stream?
a) stomach
b) mouth
c) large intestine
d) small intestine

The heart has this number of chambers.
a) none
b) 2
c) 4
d) 8

These air sacs in the lungs are the site of gas exchange.
a) alveoli
b) nephrons
c) villi
d) atria

These thin blood vessels connect arties and veins.
a) villi
b) capillaries
c) atria
d) ventricles

Which blood vessels move blood away from the heart?
a) veins
b) ducts
c) villi
d) arterties

Which of these cells is a nerve cell?
a) islet cells
b) neurons
c) planaria
d) euglena

What nutrient does bile help break down?
a) protein
b) sugar
c) fat
d) It is not a digestive enzyme.

These structures in the heart and blood vessels keep blood moving in only 1 direction.
a) arteries
b) chyme
c) valves
d) sinoartial node

What is the main function of the digestive system?
a) It breaks down food into nutrients such as protein.
b) It chews food.
c) It transmits messages between the brain and the muscles.
d) It exchanges gases.

This organ is part of the central nervous system.
a) heart
b) brain
c) kidneys
d) lungs

This organ filters waste out of the blood and produces urine.
a) heart
b) kidneys
c) brain
d) lungs

This organ takes carbon dioxide out of the blood and puts oxygen into the blood.
a) heart
b) kidney
c) brain
d) lungs

This digestive organ absorbs water into the bloodstream.
a) small intestine
b) large intestine
c) stomach
d) esophagus

These blood cells carries oxygen.
a) white blood cells
b) red blood cells
c) platelets
d) plasma

This is the liquid portion of the blood.
a) white blood cells
b) red blood cells
c) platelets
d) plasma

These cells help blood clot.
a) white blood cells
b) red blood cells
c) platelets
d) plasma

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