A person who is colorblind lacks

A) corneas.
B) retinas.
C) one type of photopigment.
D) a gene that encodes the proteins in rod cells.


C

Anatomy & Physiology

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The muscular organ that stores urine is the____________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Hyperadrenocorticism is associated with chronically elevated levels of ________________________________________

Fill in the blank(s) with correct word

Anatomy & Physiology

The nervous system releases neurotransmitters into synapses. In contrast, the

endocrine system releases _______ into the bloodstream. Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following is not secreted by glands?

A. Waste products B. DNA C. Hormones D. Enzymes E. Mucin

Anatomy & Physiology