The primary function of the pericardial sac is to
a. prevent excessive expansion of the heart as it fills with blood
b. secrete a fluid that reduces friction as the heart beats
c. serve as a reservoir for blood to be used during strenuous exercise
d. provide oxygen and nutrients to the heart muscle
e. catch and kill any bacteria in the blood flowing through the heart chambers
B
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Generally, the right renal artery will arise from the descending aorta before the left.
Answer the following statement true (T) or false (F)
Occupying about 85% of the total cell volume, the cytosol is the semi-liquid portion of the cytoplasm that surrounds the organelles
a. True b. False Indicate whether the statement is true or false
A muscle that inserts on the body of the mandible is probably involved in
A) kissing. B) blowing. C) chewing. D) frowning. E) spitting.
An action potential in a motor neuron is ____________________ to the terminal button
Fill in the blank(s) with correct word