Health & Wellness: Fundamentals

What is cardiorespiratory endurance?

The ability of the heart, lungs, and blood vessels to supply oxygen to muscles during sustained physical activity.

How many minutes of moderate-intensity aerobic activity are recommended per week for adults?

At least 150 minutes.

What are the three primary macronutrients required by the body?

Carbohydrates, proteins, and fats.

What is the recommended range of sleep hours for most healthy adults?

7 to 9 hours per night.

What is a simple breathing technique used to reduce immediate stress?

Deep breathing or diaphragmatic breathing.

Which substance found in coffee and tea acts as a central nervous system stimulant?

Caffeine.

How does muscular strength differ from muscular endurance?

Strength is the maximum force a muscle can exert once, while endurance is the ability to perform repeated contractions over time.

What does the term 'body composition' refer to in physical fitness?

The proportion of fat-free mass (muscle, bone, water) versus fat mass in the body.

If an individual chooses vigorous-intensity exercise instead of moderate, how many minutes are recommended weekly?

At least 75 minutes.

Why is it important to check the 'serving size' on a nutrition label first?

All other nutrient amounts listed on the label are based specifically on that single serving size.