Active tissues receive approximately ________ as much O2 as inactive tissues.

A) 2 times
B) 3 times
C) 5 times
D) 10 times
E) 100 times


B) 3 times

Anatomy & Physiology

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Consider a cell with a total internal solute concentration of 0.9%. Placing the cell in which bath solution would result in creation of the greatest osmotic pressure in the cell?

A. 0.5% NaCl B. 0.9% NaCl C. 1.2% NaCl

Anatomy & Physiology

Changes in the immune system that accompany aging include

A) T cells becoming less responsive to antigens. B) more cytotoxic T cells responding to infections. C) increased numbers of T helper cells. D) higher levels of antibodies after initial exposure to antigens. E) enlargement of the thymus and increased levels of circulating thymic hormones.

Anatomy & Physiology

________ are inorganic ions released through electrolytes, such as sodium chloride.

A) Minerals B) Enzymes C) Water-soluble vitamins D) Essential proteins E) Fat-soluble vitamins

Anatomy & Physiology

The corpora cavernosa extend within the glans of the penis

Indicate whether this statement is true or false.

Anatomy & Physiology