What Does Marrow Do?

Primarily, the word marrow is being used for a substance that is present in the bones and is a fatty network of connective tissues that are present in the centre of bones. Sometimes the word is also being used to describe some kind of squash plants that people grow for the elongated fruit that can be got from them. These plants have the skin that is very smooth and also have the dark green colour and smoothness in it. The flesh of the fruit is completely white.

The word is also being used in the figurative sense and you can use it to describe about the most vital part of an idea or experience. In the expression 'the gist of the argument', you can replace the word 'gist' with marrow.

It makes red blood cells

A marrow is defined as a flexible tissue that is found in the hollow interior of bones. The marrow in large bones produces new blood cells.

It consists of 4% of the total human body weight.

There are two types of bone marrow:

• Red marrow which consists of myeloid tissue
• Yellow marrow which consists of fat cells
  

Both these marrows contain numerous blood vessels and capillaries.

Yes it is present in the bone and is known as bone marrow. It is responsible for the creation and storage of approximately 95% percent of the body's blood cells. The 3 main types of blood cells produced by bone marrow are:

1. Red blood cells (RBC): Which take oxygen to all body parts.
2. White blood cells (WBC): Help fight infections and antibodies.
3. Platelets: Help with blood clotting.