"Too much of a good thing can hurt you." "It's all good." We've all heard phrases like this, and know that they contain some truth. For example, both life essentials water and sunshine can harm us. Not enough cholesterol in the body is worse than too much. What otherwise poisonous gas has recently been shown to be a signal molecule? What does it do in the body?
What will be an ideal response?
Carbon monoxide is one of the gaseous signal molecules. It activates guanylyl cyclase and cGMP in smooth muscle and neural tissue.
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What type of tissue is blood?
a. epithelial tissue b. connective tissue c. muscle tissue d. nervous tissue
Mineral storage is a function of cartilage
Indicate whether the statement is true or false
All of the following bones develop by intramembranous ossification except
A. some parts of the clavicle. B. the parietal bones. C. some parts of the mandible. D. the frontal bone. E. the humerus.
Which of the following statements is true concerning differences between the right and left ventricles?
A) The right ventricle pumps with more force compared to the left. B) The left ventricles pumps twice as much blood as the right ventricle. C) The right ventricles pumps blood to the body, whereas the left ventricle pumps blood to the lungs. D) The right ventricle is conical-shaped while the left ventricle is half-moon shaped. E) The efficiency of the right ventricle is increased by the left ventricle because the wall of the left ventricle pushes into the right ventricle.