Answer:
A is the answer
Explanation:
involving little or no physical activity. A person living tha life usually is sitting or lying down playing video games ,reading or socializing even watching tv or using their mobile devices phone/computer throughout a day
Anything that eats meat like lions tigers and wolves the only thing is that they cannot eat vegtables as well that would make them an omnivore
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.
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