On average, how many hours per day do Americans spend watching screens (TVs, computers, iPads, smartphones, etc.)?

smartphones, etc.)?
A. 8
B. 7
C. 6
D. 5
E. 4


A. 8

Health & Biomechanics

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Self-stimulation sexual activities are called ________ behaviors.

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

Health & Biomechanics

A(n) ____________________ is a plasma substance formed because of the presence of an antigen

Fill in the blank(s) with correct word

Health & Biomechanics

Skin color and texture are not affected by aging

Indicate whether the statement is true or false

Health & Biomechanics

When compared to the overall U.S. population, Asian Americans have

A. higher rates of alcohol abuse. B. lower rates of heart disease. C. lower rates of lung cancer. D. shorter life expectancies.

Health & Biomechanics