What is pineal gland primarily responsible for?

What is the basic unit of organization of all living things? What is the difference between an organ and an organ system? For your organ system, describe how the system works at the organ level.

Describe two paths carbon dioxide can take through the carbon cycle?

How do the number of chromosomes in a female scorpion's egg cells (gametes) compare with the number in her body (somatic) cells?

Which of these processes increase (s) heat loss from the body? select one: a. dilation of dermal arterioles b. constriction of dermal arterioles c. increased sweating d. both a and c e. both b and c?

Summarize your understanding of the Chemical Basis of Life. How chemistry not only makes the elements of the body's structures but at the same time support their functions.

Select the atoms that are likely to lose electrons to form cations: A. Iodine (I) B. Lithium (Li) C. Bromine (Br) D. Potassium (K)

How does a law differ from a theory? A. A law is a theory that has been proven to be true and universal. B. A theory is a group of hypotheses that prove a law is true. C. A law is a statement of fact, but a theory is an explanation. D.

Can someone give me a high school level science fair projects with something to do with bones?

The storage of heat in the lower layer of the atmosphere due to certain gases absoring heat is called

A red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what diameter will the drawing be in mm? A. 0.08 mm B. 0.8 mm C. 8 mm D. 80 mm