The placenta of sheep is usually passed within 30 minutes
Indicate whether the statement is true or false
T
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You conduct an experiment on twenty 18-year-old male subjects to see how various intensities of exercise influence heart rate. Which of the following is/are considered a dependent variable?
A) heart rate B) age of subjects C) sex of subjects D) intensity of exercise E) More than one of the answers is correct.
As in males, ________ from the hypothalamus regulates reproductive function in females; however, its levels change throughout the ovarian cycle.
A) LH B) estrogen C) FSH D) progesterone E) GnRH
The protein that enables RBCs to transport O2 is __________
Fill in the blank(s) with correct word
Which of the following does NOT describe hypertension? Hypertension
A. refers to a chronic state of elevated blood pressure. B. is usually defined as a systolic pressure greater than 140 mm Hg and a diastolic pressure greater than 90 mm Hg. C. is usually a result of chronically elevated cardiac output. D. may be caused by kidney disease. E. can sometimes be treated with drugs that increase excretion of water in the urine.