Which layer of the eye contains rods and cones?

A) sclera
B) retina
C) choroid
D) iris
E) optic nerve


B

Anatomy & Physiology

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The midsagittal plane divides the body into which parts?

A. Superior and inferior B. Internal and external C. Right and left D. Anterior and posterior

Anatomy & Physiology

All of the following are functions of parathyroid hormone except which one?

A. Causes the small intestines to absorb calcium in order to increase blood calcium levels B. Causes the kidney to reabsorb calcium in order to maintain blood calcium levels C. Causes osteoclasts to reabsorb bone therefore increasing blood calcium levels D. Causes osteoblasts to deposit bone, reducing blood calcium levels

Anatomy & Physiology

Mixed venous blood in a resting individual still contains more than double the amount of oxygen extracted by the tissues as the blood passed through them

Indicate whether the statement is true or false.

Anatomy & Physiology

The contraction of the arrector muscles (pilomotor muscle or arrector pili) in humans causes ________.

A. generation of heat to raise the body temperature B. hairs to stand on end with no apparent function C. hairs to stand on end, trapping an insulating layer of warm air next to the skin D. hairs to stand on end to make the individual appear bigger E. increased ability to feel pain

Anatomy & Physiology