MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In an adult, red blood cells are produced primarily in the ____
A
red bone marrow
B
liver
C
spleen
D
heart
Explanation: 

Detailed explanation-1: -Red blood cells are formed in the red bone marrow of bones. Stem cells in the red bone marrow are called hemocytoblasts. They give rise to all of the formed elements in blood.

Detailed explanation-2: -Blood cells are made in the bone marrow. The bone marrow is the soft, spongy material in the center of the bones. It produces about 95% of the body’s blood cells. Most of the adult body’s bone marrow is in the pelvic bones, breast bone, and the bones of the spine.

Detailed explanation-3: -The soft, spongy tissue that has many blood vessels and is found in the center of most bones. There are two types of bone marrow: red and yellow. Red bone marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets.

Detailed explanation-4: -Red: Red bone marrow produces blood cells (hematopoiesis). Stem cells in your red bone marrow (hematopoietic stem cells) create red and white blood cells and platelets, all of which are components of your whole blood.

Detailed explanation-5: -Listen to pronunciation. (eh-RITH-roh-site) A type of blood cell that is made in the bone marrow and found in the blood. Erythrocytes contain a protein called hemoglobin, which carries oxygen from the lungs to all parts of the body.

There is 1 question to complete.