Describe the coronary circulation
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The heart is supplied and drained by a set of blood vessels collectively called the coronary circulation. The right and left coronary arteries branch off the ascending aorta and deliver oxygenated blood to the coronary capillary beds, where gas and nutrient exchange takes place within the myocardium. Then the deoxygenated blood drains from capillaries into a series of coronary veins. Generally, the majority of the heart's veins empty into a large venous structure on the posterior heart, called the coronary sinus. The coronary sinus drains into the posterior right atrium.
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The point of contact between the nerve and the muscle fibers it stimulates is called a:
a. motor unit b. neuromuscular junction c. motor neuron d. neurotransmitter
Explain how vision is affected by the loss of one eye. Explain how hearing is affected by the loss of one ear. In reality, how disadvantaged are people who are blind in one eye or deaf in one ear? Would loss of half the tongue or half the olfactory epithelium have comparable effects on those systems? Explain.
What will be an ideal response?
Subatomic particles located around the nucleus of an atom are ________.
A. neutrons B. electrons C. photons D. protons E. neutrinos
Amino acids and monosaccharides are absorbed in the ________, and fatty acids are absorbed in the ________.
A. small intestine; small intestine B. stomach; large intestine C. small intestine; liver D. stomach; small intestine E. small intestine; large intestine