Bone marrow plays an important role in our circulatory system because Bone marrow contains hematopoietic stem cells which is the major producer of red blood cells or erythrocytes,white blood cells also know as leukocytes and also platelets( thrombocytes) which is the major components of our blood,the only liquid that is very essential in our circulatory system.
I believe the answer for your question is a mitochondria.
D. Carbon moved in a cyclic fashion through the atmosphere and living organisms
Constellations? i am pretty sure its constellations.
Answer: I would make my own giant and it would have long hair and live i the mountains, and it needs the cold weather to survive. Some of the things that it eats is the things humans eat like duck, chicken, ham, and uh yeah.
