Topic 2, Lesson 2

Which term means keeping a stable internal environment?

Animal hormones are produced in the endocrine glands and travel through the blood.

The four conditions in the body related to maintaining homeostasis are temperature, energy, water and physical balance.

Everyone's body reacts to stress the same.

When a dog is cold, they shiver and chatter teeth. The result is the body warms. Which event is the first in the temperature cycle?

Hormones are chemical signals released by the respiratory system to control body functions.

Chemical and electrical signals are alike because they both control body functions and help the body respond to the environment.

Hormones are carried through the body by the respiratory system.