Answer:
Remain friends and try to help him/her
Explanation:
1. Physical activities can produce endorphins, strengthen bones, regulate blood pressure, clear the lungs, and control weight.
2. Warm up before taking part in physical activities and do the exercise when you start with low intensity and slowly work your way up.
3. Warming up your body keeps the muscles loose and limber when you are working out. Cooling down allows your body to regulate its blood pressure.
4. Flexibility, cardiovascular endurance, muscular strength, muscular endurance, body composition.
5. Anaerobic exercises mean without oxygen and aerobic exercises mean with oxygen
6. Cardiovascular exercise helps your blood pump oxygen-rich blood to your body faster and helps your heart and lungs to get stronger
7. They help set a guide for what exercises work for what parts of the body!
Hope this helps!!
The following are the ways to keep the lungs free of germs and dirt from the air:
Mucus found in the bronchial tubes collects dirt and germs that gets into your lungs.
Tiny hairs called cilia work to sweep out the debris collected to keep your lungs clean.
<u>Explanation</u>:
The lungs are air-filled organs that are responsible for breathing. Lungs are located on either side of the chest. Exposure to pollutants should be avoided to maintain the lungs healthy and clean.
Cilia are tiny hair-like cell structure that is located on the surface of the cells. These tiny hairs help in sweeping out the collected debris to keep the lungs clean.
Mucus is a substance secreted by the mucous membranes and is found in the bronchial tubes. The dirt and germs are collected by mucus and prevents that from passing into the lungs.
