18. Which of the following are correct?
A. The Thyroid gland is considered an endocrine gland.
B. The Parathyroid gland is considered an endocrine gland.
C. none of the statements are correct
D. The pancreas is considered both an endocrine and exocrine gland.
E. The ovaries and testes are considered endocrine glands.
F. The pituitary gland is considered an exocrine gland

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

What is the primary function of the nervous system?