Increased Activity of [Dropdown 1] Decreases Heart Rate

question 64

Short Answer

Increased activity of [dropdown 1] decreases heart rate.Dilation of air passageways during exercise is a result of the [dropdown 2].Vasoconstriction of salivary gland arterioles is caused by the [dropdown 3].
Dropdown choices:
parasympathetic system
sympathetic system
both parasympathetic and sympathetic system

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Definitions:

Equations

Mathematical statements that assert the equality of two expressions, typically including one or more variables.

Substitution

A method for solving systems of equations where one of the equations is solved for one variable in terms of others, and that expression is substituted into the other equation(s).

Equations

Mathematical statements that assert the equality of two expressions, typically involving variables.

Solutions

The values or sets of values that satisfy an equation, inequality, system of equations, or other mathematical conditions.