There are 6 elements that are the most important. The acronym, CHNOPS, is an easy way to remember these.
C - Carbon
H - Hydrogen
N - Nitrogen
O - Oxygen
P - Phosphorous
S - Sulfur
Answer: D
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The female reproductive system<span> is made up of seven organs. They are ovary, fallopian tubes, uterus, cervix, and vagina. Basically the main reproductive organ is the ovary</span>