Answer:
They decide not to use a condom because the guy wants to "feel" everything... and they say they won't get full pleasure with a condom on...
Explanation:
When you say "protection from harm system," I assume you mean the Integumentary system. It's job is to protect the body from various kinds of damage. Hope this helped! :)
Answer: Emphysema
Explanation:
Emphysema can be defined as a type of COPD which involves the damage to the air sacs In the lungs.
As a result of this the body does not gets enough oxygen which is required by the body.
In this disease, there is an extreme dilation and destruction of pulmonary alveoli. This aids in poor exchange of gases. It can be mild, severe or chronic.
It is caused due to smoking and can be prevented by getting worse by quitting smoking.
When the skin is exposed to ultraviolet rays, the skin produces a molecule that is turned into Vitamin D.
Sun is the source of ultraviolet rays important for Vitamin D production. Due to this reason, in the case of Vitamin D deficiency, it is recommended by doctor's to absorb sunlight by skin. The Vitamin D production occurs specifically by UV B rays rays which lie in the range of 290-315 nanometer.
The chemical 7-dehydrocholesterol absorbs these rays and convert to previtamin D3. Further, previtamin D3 isomerizes to Vitamin D. Other than sunlight, Vitamin D can be taken through diet. The sources include seafood like fish, fish oil, dairy products, beef liver etc. Vitamin D is required for bone and teeth formation, muscle contraction, immune system etc.
Learn more about Vitamin D -
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The DAP has three core components: knowledge about development and learning; knowledge about individual children; and, knowledge about the social and cultural contexts where children grow and learn.
