The right lymphatic duct, drains the lymph from right upper extremity of the body?

a. true
b. false


Ans: a. true

Anatomy & Physiology

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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

Anatomy & Physiology

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.

Anatomy & Physiology

Hyperventilation leads to respiratory alkalosis

Indicate whether this statement is true or false.

Anatomy & Physiology

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

Anatomy & Physiology