Which of the following chemicals paralyzes skeletal muscle by binding to the acetylcholine receptor sites?

a. black widow spider venom.
b. curare.
c. organophosphates.
d. DDT.
e. local anesthetics.


B

Anatomy & Physiology

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Observing the parts of the brain is a part of the study of

A. physiology. B. anatomy. C. homeostasis. D. anthropology.

Anatomy & Physiology

Which of the following is an example of membranous organelles?

A) lysosomes
B) cilia
C) centrioles
D) ribosomes
E) cytoskeleton

Anatomy & Physiology

Adjacent cardiac muscle cells are joined together end-to-end in the ventricles by

a. intercalated discs. b. sarcomeres. c. Purkinje fibers. d. sinoatrial nodes. e. atrioventricular nodes.

Anatomy & Physiology

The nose is _______ to the mouth.

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

Anatomy & Physiology