Skin<span> is an elastic covering. It </span>protects<span> you against exposure to dangerous things in the environment such as bacteria. Since they form an elastic cover, they are able to B)Extend and contract for movement.</span>
Here are the answers of the given statements above regarding health and exercise. First, the answer would be FALSE. It is not true that when an exercise program is designed well, will be perfect for everyone. The second statement would be TRUE. Accroding to the principal of progression, it is true that exercise programs shoudl gradually become more difficult overtime. Hope this answers help.
Drugs that break down a psychological barrier against doing other drugs are known as gateways drugs.
A very known gateway drug (or at least one that has been considered as such) is marijuana or weed. A drug that is being widely consumed in various countries and is also being sold as a legal drug in some countries.
Answer:
Explanation:
inspiration 1. inspiratory muscles contract. ...
inspiration 2. thoracic cavity volume increases.
inspiration 3. lungs are stretched. ...
inspiration 4. intrapulmonary pressure drops.
inspiration 5. air flows into lungs down pressure gradient until pulmonary pressure is 0.
It is usually the first sentence of the paragraph
