The ________________________________________ rat, sometimes called the Norway rat, is believed to have originated in Eastern Asia
Fill in the blank(s) with correct word
brown
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An increase in the osmolarity of the blood supplying the hypothalamus is a powerful stimulus for thirst.
Answer the following statement true (T) or false (F)
During the cardiac cycle,
A) the P wave of the ECG occurs between the first and second heart sounds. B) the QRS complex of the ECG precedes the increase in ventricular pressure. C) the second heart sound coincides with the QRS complex of the ECG. D) the third heart sound occurs during atrial systole. E) the greatest increase in ventricular pressure occurs during the ejection phase.
Select the incorrect statement about the pancreas
a. it has endocrine tissue. b. it has exocrine tissue. c. it secretes an alkaline fluid. d. it secretes pepsinogen. e. it secretes trypsinogen.
Which of the following is able to passively penetrate the plasma membrane (without a transport protein)?
A. Large polar molecules
B. Small charged particles
C. O2
D. All of the choices are correct.