The right lymphatic duct, drains the lymph from right upper extremity of the body?
a. true
b. false
Ans: a. true
You might also like to view...
Gas exchange between air and circulating blood takes place within ________.
A) The terminal bronchioles. B) The bronchi. C) The trachea. D) The alveoli. E) All of the answers are correct
To initiate a smooth muscle cell contraction, calcium enters the cell and binds to
A. troponin, which then activates myosin light-chain kinase. B. calmodulin, which then binds to and activates myosin light-chain kinase. C. a myosin head, which then activates calmodulin. D. myosin light-chain kinase, which then hydrolyzes ATP. E. a phosphatase, which then removes the tropomyosin blockade.
Hyperventilation leads to respiratory alkalosis
Indicate whether this statement is true or false.
Eyebrow hairs are always shorter than hairs on your head because ________
A) eyebrow follicles are only active for a few months B) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length C) they grow much slower D) the vascular supply of the eyebrow follicle is one-tenth that of the head hair follicle