The tubular fluid is ____ as it enters Bowman's capsule, ____ at the beginning of the loop of Henle, ____ at the tip of the loop, and ____ as it leaves the loop to enter the distal tubule
a. isotonic; hypertonic; hypertonic; isotonic
b. isotonic; isotonic; hypotonic; hypotonic
c. isotonic; isotonic; hypertonic; hypotonic
d. hypertonic; hypotonic; hypertonic; isotonic
e. None of the above correctly fill in the blanks.
C
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Pericardial fluid
A) provides oxygen to the heart muscle. B) is located between the myocardium and the endocardium. C) is a lubricant between the heart and the pericardial sac. D) consists of plasma that has leaked out of whole blood. E) flows through the four chambers of the heart.
A family of peptides called ________ are released by the endothelium and are among the most potent vasoconstrictors known.
Fill in the blank(s) with the appropriate word(s).
The right ventricle has the thickest wall of the four heart chambers
Indicate whether the statement is true or false
What property of water helps keep body temperature stabilized?
A) surface tension B) universal solvent C) heat capacity D) polarity