When the diaphragm contracts, it moves up into the thoracic cavity, thereby decreasing its volume
Indicate whether the statement is true or false.
ANS: F, relaxes
You might also like to view...
In an atom that is NOT an ion, which of the following must be true?
A. The number of electrons equals the number of protons. B. The number of electrons equals the number of neutrons. C. The number of protons equals the number of neutrons.
Which of the following is TRUE of both T cells and B cells?
A. They are lymphocytes. B. They recognize specific antigens on the cell surface. C. They have class I MHC molecules on their cell surface. D. They are involved in the humoral immune response. E. All of the responses are correct.
As summer comes to the tundra, what will
occur?
a. A long growing season will begin. b. The surface layer will thaw and pools of water will form. c. The permafrost thaws out. d. Birds will begin their southerly migration. e. more than one of these
Steroid hormones act by
a. interacting with a target cell's DNA. b. activating mitochondria in target cells. c. acting on ribosomes for protein synthesis. d. stimulating mitosis. e. helping glucose into the target cell.