Q416
The red blood cells are in the
A.
Heart
B.
Liver
C.
Lymph Nodes
D.
Bone Marrow
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
The red blood cells are in the Bone Marrow. Red blood cells are formed in the red bone marrow of bones. Stem cells in the red bone marrow called hemocytoblasts give rise to all of the formed elements in blood. If a hemocytoblast commits to becoming a cell called a proerythroblast, it will develop into a new red blood cell.