What happens when the diaphragm contracts?

A. The rib cage moves down.

B. The volume of the thoracic cavity increases.

C. The diaphragm rises.

D. The volume of the thoracic cavity decreases.

Peter was surprised to learn that, in addition to blood, there's another type of circulating body fluid that flows within separate vessels. what is the name of this circulating fluid that doesn't contain red blood cells?

What is the purpose of the pores of Kohn?

Huntington/'s disease is an inherited autosomal dominant disorder that can affect both men and women. imagine a couple has had seven children, and later in life, the husband develops huntington/'s disease.

It has been hypothesized that people who are heterozygous for the allele that causes the deadly genetic condition cystic fibrosis (which, among other symptoms, reduces fertility) are more resistant to the deadly disease tuberculosis.

How does the process of meiosis lead to greater genetic variability

Pure water has a pH level of a around what number?

If a tree has 24 light rings and 24 dark ring how old is it

What are 5 major functions of your skeleton?

How is DNA prepared for cell division?

Some organisms that normally live in pond water contains water pumps. These pumps continually pump water out of the cell. Describe a scenario that might reverse the action of the pump.