Trace the path of a drop of blood, starting at the right atrium and returning to the right atrium, through the pulmonary and systemic circuits of the cardiovascular system. Identify the chambers, valves, and vessels (except specific systemic blood vessels that are not directly associated with the heart), and indicate whether the blood is oxygenated or deoxygenated in each area
What will be an ideal response?
Deoxygenated blood in the right atrium, deoxygenated blood through the pulmonary tricuspid valve, deoxygenated blood in the right ventricle, deoxygenated blood through the pulmonary semilunar valve, deoxygenated blood in the pulmonary trunk, deoxygenated blood in the right and left pulmonary arteries, deoxygenated blood in the pulmonary capillaries in the lungs, oxygenated blood in the pulmonary veins, oxygenated blood in the left atrium, oxygenated blood through the bicuspid (mitral) valve, oxygenated blood in the left ventricle, oxygenated blood through the aortic semilunar valve, oxygenated blood in the aorta, oxygenated blood in the systemic arteries, oxygenated blood in the systemic arterioles, oxygenated blood in the systemic capillaries, deoxygenated blood in the systemic venules, deoxygenated blood in the systemic veins, deoxygenated blood in the superior and inferior vena cavae and the coronary sinus, deoxygenated blood in the right atrium.
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Answer the following statement true (T) or false (F)
If a secondary oocyte is fertilized and successfully implants in the uterine lining, it becomes a pre-embryo and begins to secrete
A. estrogen. B. gonadotropin-inhibiting hormone. C. human chorionic gonadotropin. D. gonadotropin-releasing hormone. E. progesterone.
Most buffer systems in the body consist of
a) A weak acid b) A weak base c) A weak acid and the salt of that acid d) A weak base and the salt of that base e) None of these are correct
Lipophilic hormones bind to ___________ receptors of target cells
A. intracellular B. membrane-bound