How many milliliters (mL) are in 4 ounces?

Under ice and snow conditions, it is best to not extend the aerial past _____________ of its total length.

A. 80% B. 85% C. 90% D. 95%

Central, or extrinsic, control of the cardiovascular system occurs through the action of which of the following? 1. Autonomic nervous system 2. Circulating humoral agents 3. Local metabolites

a. 1, 2, and 3 b. 2 and 3 only c. 3 only d. 1 and 2 only