When a muscle contracts, it performs work. it does this by

Does indrect sunlight does not pose any danger to the skin

Achemical substance that people of any age may not lawfully manufacture, possess, buy, or sell is known as a(n) a. over the counter drug b. prescription drug c. medicine d. illegal drug

What are the symptoms of trichomoniasis in males? a. painful urination, a dark discharge from thepenis, with no itchingb. painful urination, a dark discharge from thevagina, with no itchingc. painful urination, a clear discharge from the vagina, and some itchingd. painful urination, a clear discharge from thepenis, and some itching