Which of the following chemicals effects blood pressure for both the short and long term?
A) atrial natriuretic peptide
B) angiotensin II
C) nitric acid
D) aldosterone
B
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The lever system at the elbow joint provides a mechanical advantage so that when the biceps muscle contracts to flex the elbow joint and lift an object in the hand, the force developed in the biceps can be considerably less than the actual load that is moved
Indicate whether the statement is true or false
The femur
A. is the longest bone in the body. B. possesses a medial malleolus. C. directly articulates with the fibula. D. is part of the pelvic girdle.
Naked mole rats are unusual mammals that
a. have no hair. b. produce young parthenogenically. c. don't nurse their young. d. are ectothermic. e. don't regulate body mass.
The body cavities that protect the nervous system are located in the ________ cavity
A) ventral B) cranial C) dorsal D) vertebral E) thoracic