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Once loaded with the single sperm, the hollow needle is pierced through the outer shell of the egg and egg membrane and the sperm is injected into the cytoplasm of the egg.

The female reproductive system includes the ovaries, fallopian tubes, uterus, vagina and vulva. During the reproductive process, the egg is not a passive recipient but rather an active participant in the fertilization process.

The male reproductive system includes the scrotum, testes, spermatic ducts and penis. These organs work together to produce sperm, the male gamete, and the other components of semen.

Some things you can do to help IBS pain and cramping: and this can REALLY help both diarrhea OR constipation. Description from cdmedics.eu. I searched for this on bing.com/images

Iron is needed by the body to make hemoglobin,found in red blood cells, which carries oxygen to all parts of the body. It also helps produce myoglobin in muscles cells to transport oxygen in the muscles.