Which gland is unique in that it is large in the fetus and infant, but is a small remnant in the elderly?

a) adrenal gland
b) pancreas
c) thymus
d) thyroid gland


Answer: c) thymus

Anatomy & Physiology

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Which statement accurately describes total blood flow?

A.   Total blood flow equals cardiac output and is a fixed number given that there is a finite amount of blood in the body. B.   Total blood flow equals cardiac output and can vary significantly over time with activity levels. C.   Total blood flow is measured as the sum of blood flow to upper and lower extremities and is measured in liters. D.   Total blood flow is measured as the sum of blood flow to upper and lower extremities and is measured in beats per minute. E.   Changes in total blood flow are accompanied by  equivalent changes in local blood flow in all areas of the body.

Anatomy & Physiology

The midpiece of the sperm tail contains mostly ________

Fill in the blanks with correct word

Anatomy & Physiology

Clone cells capable of secreting large amounts of antibodies are called _____

A. memory cells B. T cells C. plasma cells D. macrophages

Anatomy & Physiology

Where does gas exchange between the air and the lungs occur?

A) lobar bronchi B) bronchioles C) trachea D) alveoli E) segmental bronchi

Anatomy & Physiology