Which hormone appears to play an important role in establishing the body's sleep-wake cycle?

A) thymosin
B) cortisol
C) melatonin
D) aldosterone


C

Anatomy & Physiology

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The functional contractile unit of a skeletal muscle fiber is called a ________.

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

Anatomy & Physiology

Phasic receptors

a. exhibit an "off-response" b. signal a change in stimulus intensity c. are rapidly adapting receptors d. exhibit all of the above characteristics e. exhibit none of the above characteristics

Anatomy & Physiology

Severe iron deficiency and anemia will result in which of the following?

decreased oxygen carrying capacity metabolic energy limitation both a and B

Anatomy & Physiology

A young patient has a type of cancer called acute lymphoblastic leukemia (ALL). In a child with ALL, too many cells become lymphoblasts. Into what type of cells do lymphoblasts differentiate?

What will be an ideal response?

Anatomy & Physiology