1. Humans can react to changes in the environment because of the nervous system. Which word means a change in the environment?

2. Which division of the nervous system is responsible for the fast beating of the heart?

3. What type of nerve cells are found only within the brain and spinal cord?

4. Which of the following body conditions is controlled by the hypothalamus?

5. The receptors in a girl’s body detect changes in the environment. Which organs of the body contain the receptors for flashing red lights of an ambulance car?

6. Which system carries the information to all parts of the body?

7. Communication and regulation within your body are needed for homeostasis. Which system (s) provides this communication and regulation?

8. Which of the following hormones has no significance in maintaining the calcium level in the blood?

9. Which of the following statements regarding glucose homeostasis is not true?

10. Which hormone causes the decrease of sugar in the blood?