MEDICAL PHYSIOLOGY

PHYSIOLOGY

BLOOD PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In an adult, red blood cells are produced primarily in the
A
yellow bone marrow
B
spleen
C
red bone marrow
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: -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-3: -Erythropoiesis is red blood cell (erythrocyte) production. Your bone marrow makes most of your red blood cells. Once they’re fully mature, they’re released into your bloodstream, where they transport oxygen throughout your body.

Detailed explanation-4: -As a person matures, the red marrow in many of the bones is replaced by yellow marrow. By adulthood, only about half of the bone marrow is red. Red bone marrow is found mostly in the ribs, breastbone, shoulder blades, collarbones, hip bones, skull, and spine.

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