Homeostasis in living things is regulated by the action of
Question 2 options:
A. The nervous system, only
B. The endocrine system, only
C. Both the nervous and endocrine systems

All living organisms must maintain homeostasis in order to survive. Which statement best describes one way humans maintain homeostasis?
Question 3 options:
A. Temperature is regulated by giving off carbon dioxide
B. Water content is regulated by giving off carbon dioxide
C. Temperature is regulated by sweating
What is the ultimate goal of digestion?
Question 4 options:
A. Produce glucose to convert to ATP
B. Produce oxygen
C. Produce waste products that the body will use
Which of the following is an example of the respiratory and circulatory systems working together?
Question 5 options:
A. The blood flows through the kidneys and waste products are removed
B. The lungs take in air and the blood carries oxygen to the body’s cells
C. The small intestine breaks down and absorbs food and the blood carries nutrients to the body’s cells