Trace the pathway of blood flow through the heart. Begin and end the pathway with the systemic capillaries
What will be an ideal response?
The blood flow through the heart is as follows: 1 ) Systemic capillaries deliver oxygen to body cells. 2 ) Systemic veins return deoxygenated blood to the right atrium. 3 ) Blood passes from the right atrium through the tricuspid valve to the right ventricle. 4 ) The right ventricle pumps blood through the pulmonary valve to the pulmonary trunk. 5 ) The pulmonary trunk delivers blood to the right and left pulmonary arteries and then pulmonary capillaries of the left and right lungs, where blood becomes oxygenated. 6 ) The pulmonary veins return oxygenated blood to the left atrium. 7 ) Blood passes from the left atrium through the mitral (bicuspid) valve to the left ventricle. 8 ) The left ventricle pumps blood through the aortic valve to the aorta. 9 ) The aorta delivers blood to the systemic arteries and then capillaries.
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All hormone secretion is under the direct control of the hypothalamus.
Answer the following statement true (T) or false (F)
The external auditory canal ends at the
A) cochlear oval window. B) tympanic membrane. C) malleus. D) vestibule. E) pinna.
A threshold potential is
a. the potential achieved when two opposing forces acting upon an ion (concentration and electrical gradients) achieve a state of equilibrium b. the peak potential achieved during an action potential c. the point at which there is an explosive increase in Na+ or Ca2+ permeability d. the potential at which K+ permeability increases e. always a positive potential
True negatives are:
A. people who fail the test and would have performed well B. people who fail the test and would have performed poorly C. people who pass the test and ended up performing well D. people who pass the test and ended up performing poorly