Answer:
i think number 4. i searched it and it was 19.4 so 19.4 is closest to 20.
Corona virus is a type of virus.
Answer:
A bathroom scale works in much the same way as a traditional biofeedback machine. The scale measures the subject's body weight and transmits the information back to the subject. The subject then uses that information to try to change the measurement by eating fewer calories and exercising more.
Explanation:
i hope this helps
Participation in sports and group activities causes an increase to social skills such as accountability, problem- solving skills, improved interpersonal relationships, decision-making and social development of students. idek
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.
