The type of fibers specialized to continue contracting for extended periods of time, as would be required in running a marathon, for example, are ________ fibers.

A. intermediate
B. slow-twitch
C. fast-twitch


Answer: B

Anatomy & Physiology

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Urea is

A. completely reabsorbed by the nephron. B. diffuse out of the collecting ducts into the interstitial fluid of the medulla and then diffuse into the descending loop of Henle. C. secreted into the filtrate by cells of the distal convoluted tubule. D. actively transported into the filtrate by cells of the collecting duct. E. None of the choices are correct.

Anatomy & Physiology

Glands are formed during embryonic development by pockets of epithelial tissue that dip inward from the surface

Indicate whether the statement is true or false

Anatomy & Physiology

Osteoblasts produce two chemical signals that govern osteoclast development and activity in opposite ways: RANK ligand and __________

Fill in the blank(s) with correct word

Anatomy & Physiology

What type of connective tissue is found between skeletal muscles and skeleton?

A) dense irregular connective tissue B) dense regular connective tissue C) elastic tissue D) reticular tissue

Anatomy & Physiology