The recommended levels of physical activity for Americans are:
a. at least 7 sessions of strengthening activities per week.
b. at least 2 sessions of strengthening activities per month.
c. at least 2 hours and 30 minutes per week of moderate-intensity aerobic exercise.
d. at least 1 hour and 30 minutes per week of moderate-intensity aerobic exercise.
Question 2
Which of the following methods for assessing body fat content is based on the measurement of subcutaneous fat at several sites on the body?
A) Skinfold measurement
B) Bioelectrical impedance analysis
C) Magnetic resonance imaging
D) Dual-energy X-ray absorptiometry
Herbivores must overcome the wide variety of physical and chemical defences evolved by plants.
In older adults, higher education is related to higher levels of ego development.
Economic activity as viewed by environment and ecological economists
The Dietary Guidelines for Americans at a Glance
Hormone Activity
DNA polymerase proofreading activity