Which is an example of homeostasis?
A. A bird breaths faster as it flies faster
B. A dog gives birth to puppies
C. A mammoth is frozen in ice for centuries
D. 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 cells
B. Nerves carry signals from eyes to brain
C. The bones and muscles work together to grip a pencil
D. 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 systems
B. Cells, tissues, organs, organ systems
C. Organ systems, organs, tissues, cells
D. 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. Nervous
B. Digestive
C. Circulatory
D. 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. Nervous
B. Digestive
C. Circulatory
D. 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. Nervous
B. Excretory
C. Circulatory
D. 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 liver
B. The mouth
C. The intestines
D. The pancreas
And the answer is……
C

Why is blood considered a tissue?
A. It is a liquid
B. It is useful for all body parts
C. It is pumped through the circulatory system
D. 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. Endocrine
B. Integumentary
C. Muscular
D. Skeletal
And the answer is……
B

What two body systems work together to regulate human growth and development
A. Muscular and skeletal
B. Circulatory and respiratory
C. Endocrine and nervous
D. 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 skeletal
B. Circulatory and respiratory
C. Endocrine and nervous
D. Excretory and digestive
And the answer is……
B

What is the primary function of sweating?
A. Excreting water and waste
B. Maintaining body temperature
C. Providing skin with oils
D. Ridding the body of excess salt
And the answer is……
B