Answer:
Regular physical activity can increase the production of hormones that make you feel happier and help you sleep better. It can also improve your skin's appearance, help you lose weight and keep it off,
There are three major classes of macronutrients: carbohydrates, lipids, and proteins. All three of these nutrients are needed in relatively large amounts AND they contain Calories (note the capital C which indicates kilocalories) which can be "burned" in your body to create energy for your body
Answer:
the calories from fat should be no more than 25 percent to 35 percent of your daily calorie intake. For example if you eat a 2,000 calorie diet, you shouldn't eat more than 65 grams of fat per day. Saturated fat account for no more than five to six percent of total calories.
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Answer:
. Explain the difference between intentional injuries and unintentional injuries, and give examples. ... Explain the term "injury prevention," and give examples of ways to prevent at least ... 3. Define "healthy risk-taking behavior" and "unhealthy risk-taking behavior. ... List five different types of violence, and define each type.
Explanation:
Breathing starts at the nose and mouth. You inhale air into your nose or mouth, and it travels down the back of your throat and into your windpipe, or trachea. Your trachea then divides into air passages called bronchial tubes.
For your lungs to perform their best, these airways need to be open during inhalation and exhalation and free from inflammation or swelling and excess or abnormal amounts of mucus.
The LungsAs the bronchial tubes pass through the lungs, they divide into smaller air passages called bronchioles. The bronchioles end in tiny balloon-like air sacs called alveoli. Your body has over 300 million alveoli.
The alveoli are surrounded by a mesh of tiny blood vessels called capillaries. Here, oxygen from the inhaled air passes through the alveoli walls and into the blood.
After absorbing oxygen, the blood leaves the lungs and is carried to your heart. Your heart then pumps it through your body to provide oxygen to the cells of your tissues and organs.
As the cells use the oxygen, carbon dioxide is produced and absorbed into the blood. Your blood then carries the carbon dioxide back to your lungs, where it is removed from the body when you exhale.
