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Early on in foetal development, red blood cells are created in the yolk sac. Later on, they are created in the spleen and liver.

Once a child is born, red blood cells are created in the bone marrow. Similarly, white blood cells are created in the bone marrow (though they may differentiate and mature in different places depending on the type of cell).

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12y ago

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Where are red blood cells from?

red blood cells are created in bone marrow


How is blood created?

Blood is created in the bone marrow through a process called hematopoiesis. Stem cells in the bone marrow differentiate and mature into various types of blood cells, including red blood cells, white blood cells, and platelets. These mature blood cells are then released into the bloodstream to perform their functions in the body.


How many blood cells are created a minute?

8 million red blood cells


What substance is created by cellular respiration?

red blood cells, oxygen, and white blood cells


Where in a child's body are most blood cells manufactured?

In children most of the blood cells are formed inside the bone marrow.


How is serum created?

The blood serum is created with the blood plasma alone minus the platelets, blood cells and fibrinogen.


What is the Site of blood cell production in fetus an young children?

In fetuses, blood cells are primarily produced in the liver and spleen, while in young children, blood cell production occurs predominantly in the bone marrow. This process is known as hematopoiesis and involves the generation of various types of blood cells, including red blood cells, white blood cells, and platelets, to support overall health and immune function.


Where does blood cell formulation occur?

blood cells are created in the bone marrow.


Do red blood cells contain oxygen when they are created?

yes


Is blood cells made in the heart?

No, they are not. they are created it the bone marrow.


When you are sick extra white blood cells are created by the what system?

When you are sick, extra white blood cells are created by the immune system to help fight off the infection or illness. White blood cells are an important part of the body's defense against pathogens and foreign invaders.


Who would save cord blood and for what purposes?

A mother would save cord blood for their children. Cord blood can be used to extract stem cells so if anything happens to the baby, doctors can use the blood to repair the cells.