What is one way the circulatory system maintains homeostasis? It controls blood flow to regulate body temperature. It is responsible for the exchange of gases between the body and the outside air. It increases the size of the chest cavity, which decreases air pressure inside the lungs. It brings oxygen into the lungs and releases carbon dioxide through the nose.

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

2polnis which of the following is an advantage of an in vitro experiment?me