When the ventricles contract blood is pushed out into the artery and the artery stretches because of its elastic layers allowing the blood to continue to flow into the circulatory system while the ventricle is relaxing.
a. true
b. false
Ans: a. true
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Compare and contrast the mechanisms of the sodium-potassium pump and glucose-sodium cotransport
systems. What will be an ideal response?
Interphase is made up of what stages of the cell cycle?
A. cytokinesis + mitosis B. G1 + G2 + S C. S + cytokinesis D. prophase + metaphase + anaphase + telophase E. G0 + G1 + G2
During a normal breathing cycle, pressure changes are essential to the exchange of gases with the environment. Describe what type of pressure changes must occur during ventilation
What will be an ideal response?
An anatomical feature that distinguishes us from our closest relative, the apes, is a large, highly developed brain. Why would natural selection have favored an individual with a highly developed brain?
a. It provided traits required for an advanced culture. b. These individuals would have been much more successful at completing the tasks required to stay alive, such as hunting for food. c. It led to an extended life span. d. It provided eyesight with color vision and depth perception. e. It provided characteristics not seen before, such as standing upright.