Answer:
A
Explanation:
because the
Cirulatory system-The skeletal system has many different functions, including supporting the body and giving it shape, protecting internal organs, providing attachment surfaces for skeletal muscles, allowing body movements, producing blood cells, storing minerals, helping to maintain mineral homeostasis, and producing endocrine hormones
serves as a source of neural stem cells (NSCs) in the process of adult neurogenesis.
Systemic circulation which is the movement of blood through tissues of the heart carries oxygenated blood from left ventricle through arteries.
Systemic circulation moves blood between the heart and rest of body . It send oxygenated blood out to cells and return the degenerated blood to the heart.
Heart is the only organ in circulatory system organs . blood goes from heart to lung to get oxygen. lungs are the part of the respiratory system. Heart pumps oxygenated blood through artiest to the body. Systemic provide the functional blood supply to all body tissue. Oxygen locks into molecule called hemoglobin in red blood cells.
To learn more about Systemic circulation here
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