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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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
The muscular organ that stores urine is the____________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Which of the following is not secreted by glands?
A. Waste products B. DNA C. Hormones D. Enzymes E. Mucin
Anatomy & Physiology