The cell receives its shape from a network of microtubules and filaments known as the ________.

A. cytoskeleton
B. endoskeleton
C. exoskeleton
D. microskeleton


Answer: A

Anatomy & Physiology

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The body's first line of defense against invasion by microbes are physical and chemical barriers.

Answer the following statement true (T) or false (F)

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The region known as the macula densa is part of

A) the proximal convoluted tubule. B) the distal convoluted tubule. C) the collecting duct. D) the nephron loop (loop of Henle). E) glomerular (Bowman's) capsule.

Anatomy & Physiology

Primary germ layers are formed while the embryo is in the __________ stage of development.

Fill in the blank(s) with correct word

Anatomy & Physiology

What role do white blood cells play in the various functions of the blood?

A. Transportation B. Communication C. Protection D. Regulation

Anatomy & Physiology