White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells.
Red blood cells
Explanation:They can't be one fluid because they have different jobs
3. Arteries and veins
1. Heart2. Blood
1. Heart2. Blood3. Blood Vessels
6.White blood cells
4.Red blood cells
Not sure po
2.Red blood cells
yan lang alam ko
1. Blood vessels
3.Be felt on the left side of your chest(Heart)
— It is found all over your body (I'm kinda confused with the second statement).
5. Blood vessel
9. Blood vessels (Arteries)
Hematopoietic stem cells are capable of transforming into red blood cells, white blood cells, and platelets.
sana Po makahelp