Parathyroid hormone is released by the thyroid gland and causes the small intestine to increase calcium absorption
Indicate whether this statement is true or false.
FALSE
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During the BIOPAC activity, why did the subject's heart rate increase after exercise?
A) The body needs to increase its number of red blood cells. B) The body needs to have stronger muscle contractions. C) The body has a greater demand for oxygen. D) The body has a lower demand for nutrients.
Replication of bacteria can occur in less than ________________________________________ minutes
Fill in the blank(s) with correct word
The body's first line of defense against invasion by microbes are physical and chemical barriers.
Answer the following statement true (T) or false (F)
The function of an atrium is to
A) store blood for use by the myocardial cells. B) pump blood to the lungs. C) pump blood into the systemic circuit. D) pump blood to the ventricle. E) collect blood then pump it to the ventricle.