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There are adult stem cells and there are embryonic stem cells. Adult stem cells are found in many body tissues such as in the brain, neural stem cells, and in bone marrow. Also the embryonic stem cells, as you can tell by the name, are from the embryo which starts to develop into more recognizable specialized stem cells within three to four weeks after fertilization.
There are four types of stem cells widely used today. They are Embryonic stem Cells - from a Embryo or fetus. There is also, Hematopoietic stem cells what are adult bone marrow. There is Neuronal stem cells what are from the brain. Finally there is another type of bone marrow what is called Mesenchymal stem cells. The difference between Mesenchymal and Hematopictic stem cells is because of there Daughter tissues. Mesenchymal - Muscle; bone; cartilage; tendon and Hematopietic - Blood cells; brain.
plasma red blood cells white blood cells platelets
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Four polar bodies, though not all become gametes. In males all become sperm, but in females only one becomes an egg.
There are adult stem cells and there are embryonic stem cells. Adult stem cells are found in many body tissues such as in the brain, neural stem cells, and in bone marrow. Also the embryonic stem cells, as you can tell by the name, are from the embryo which starts to develop into more recognizable specialized stem cells within three to four weeks after fertilization.
In females, one of the four daughter cells gets most of the cytoplasm and will become the ovum. So only one ovum per four daughter cells. In the male, all four daughter cells will become sperm cells.
mitosis is a process where somatic cells split. that means a single cell become two, two become four, four become eight, and so on. somatic cells are non reproductive cells, like muscle cells. for reproductive cells, like sperm, the same process called meiosis
you become jesus
There are four types of stem cells widely used today. They are Embryonic stem Cells - from a Embryo or fetus. There is also, Hematopoietic stem cells what are adult bone marrow. There is Neuronal stem cells what are from the brain. Finally there is another type of bone marrow what is called Mesenchymal stem cells. The difference between Mesenchymal and Hematopictic stem cells is because of there Daughter tissues. Mesenchymal - Muscle; bone; cartilage; tendon and Hematopietic - Blood cells; brain.
Blood contains four things: white blood cells, red blood cells, platelets and plasma.
Meiosis results in four haploid cells. In the female mammals, only one of the three cells will become an ovum. In males all four haploid cells will become sperm cells.
plasma red blood cells white blood cells platelets
Cells, water, carbon dioxide, waste
Tetralogy of Fallot
Tetralogy of Fallot
Tetralogy of Fallot