About 75% of the minerals in the body are in bones and teeth, and include calcium and phosphorus. Homeostatic mechanisms regulate their concentrations.
Answer the following statement true (T) or false (F)
True
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Pulmonary arteries carry blood to the
A) right atrium. B) left atrium. C) lungs. D) aorta. E) systemic circuit.
Select the statement that is most correct.
A) Ganglia are collections of neuron cell bodies in the spinal cord that are associated with efferent fibers. B) Ganglia associated with afferent nerve fibers contain cell bodies of sensory neurons. C) The dorsal root ganglion is a motor-only structure. D) The cell bodies of afferent ganglia are located in the spinal cord.
The ________ is the amount of blood in a ventricle at the beginning of systole.
Fill in the blank(s) with the appropriate word(s).
Arielle is an 8-year-old with cystic fibrosis. For 30 minutes each morning and evening, a parent holds her body in various positions and massages and kneads the areas over her lungs to dislodge the abundant, sticky mucus, which Arielle spits into a jar. She also takes medication that thins the mucus. If she didn't take these measures, the mucus in her lungs would most likely increase her risk of
A. asthma. B. cancer. C. infection. D. emphysema.