Estrogenic foods are plant foods containing phytoestrogens, naturally occurring compounds similar to thehormoneestrogen. These plant chemicals may have estrogenic or estrogen-blocking effects. Naturally occurring estrogenic foods include legumes, fruits and seeds. Studies conducted on the effects of estrogen-...
Birth control pills are also called oral contraceptives, or the pill. It is medicine that helps prevent pregnancy by stopping ovulation. Ovulation is when the ovaries make and release an egg cell each month. If this egg gets fertilized by sperm, pregnancy occurs. You will need to take the ...
结果1 题目(a)What happens to a sperm and an egg during fertilisation?[1] The nucleus of a sperm fuses with the nucleus of an egg. 相关知识点: 试题来源: 解析 The nucleus of a sperm fuses with the nucleus of an egg. 反馈 收藏 ...
Sperm cells are only produced by male members of a species, not female members. However, the female reproductive cells are called eggs (or ova). Like...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
What are the four types of asexual reproduction? Which type of human cells are responsible for passing genes on to the next generation? a) Intestinal b) Immune c) Gamete d) Somatic Egg and sperm cells are both a) Gametes b) Somatic c) Diploid d) Both a and c ...
Pregnancy can only happen when a sperm and an egg fuse, so both must be present. Unprotected sex up to five days before ovulation can lead to pregnancy. This is because sperm can survive in the body for about five days. Sperm survival is affected by their mobility, the amount of sperm ...
sperm present that are actually moving. If the sperm do not move as they should, they cannot reach an egg and fertilize it. Sperm analysis may also include an evaluation of sperm, which is the shape and size of the sperm. When a man has a high number of abnormally shaped or sized ...
Archegonium: A multicellular sex organ in the female that creates eggs. It is like an ovary in females because both structures form haploid cells of the egg. Antheridium: A Multicellular sex organ in the male that produces sperm. An antheridium is just like a testis in human males because...
In the opinion overturning Roe, Justice Samuel Alito wrote that abortion destroys “potential life” and the life of an “unborn human being.” Foes of contraception make the same argument, that sperm and eggs are potential life, even before they meet. ...
The fertilized egg will drift in the water for 2 to 4 weeks before settling on the ocean bottom. When the immature abalone finds a suitable habitat it will attach itself to a rock or in a crevice by a muscular foot, starts to eat and starts to build a shell. Read more about the she...