Which is an example of homeostasis?

A. A bird breaths faster as it flies fasterB. A dog gives birth to puppiesC. A mammoth is frozen in ice for centuriesD. A spider wraps a fly in a cocoon for later eating

And the answer is……

A

Which best describes two organ systems working together to maintain homeostasis?

A. Reproductive organs produce sex cellsB. Nerves carry signals from eyes to brainC. The bones and muscles work together to grip a pencilD. The muscles of the chest contract and relax to move carbon

dioxide out of and oxygen in to the lungs

And the answer is……

D

Which of these is in the correct order from MOST to LEAST organized

A. Cells, organs, tissues, organ systemsB. Cells, tissues, organs, organ systemsC. Organ systems, organs, tissues, cellsD. Organ systems, tissues, organs, cells

And the answer is……

C

The common cold has symptoms of stuffy nose, fever, sore throat, and cough.

Which body system is MOST affected by colds?

A. NervousB. DigestiveC. CirculatoryD. Respiratory

And the answer is……

D

The respiratory system brings oxygen into the body. Which system is responsible for carrying

the oxygen throughout the body?

A. NervousB. DigestiveC. CirculatoryD. Excretory

And the answer is……

C

Mole rats have only a few hairs on their skin. They live underground and do not seem to be

affected by the lack of protective fur.Based on this, which organ system has adapted

to the underground environment?

A. NervousB. ExcretoryC. CirculatoryD. Integumentary

And the answer is……

D

Students made model of the digestive system. They filled a long sock with crackers and water. The water

leaked out, crackers stayed in. The crackers represented undigested food, the water represented digested food picked up by the circulatory system. What did the sock

represent?

A. The liverB. The mouthC. The intestinesD. The pancreas

And the answer is……

C

Why is blood considered a tissue?

A. It is a liquidB. It is useful for all body partsC. It is pumped through the circulatory systemD. It is made of different types of cells working together

And the answer is……

D

Which body system separates a person’s internal and external environments?

A. EndocrineB. IntegumentaryC. MuscularD. Skeletal

And the answer is……

B

What two body systems work together to regulate human growth and development

A. Muscular and skeletalB. Circulatory and respiratoryC. Endocrine and nervousD. Excretory and digestive

And the answer is……

C

A student is investigating how oxygen and carbon dioxide move throughout the body.

What two organ systems will she find working closely together?

A. Muscular and skeletalB. Circulatory and respiratoryC. Endocrine and nervousD. Excretory and digestive

And the answer is……

B

What is the primary function of sweating?

A. Excreting water and wasteB. Maintaining body temperatureC. Providing skin with oilsD. Ridding the body of excess salt

And the answer is……

B