The circulatory system keeps the body and its tissues continuously oxygenated. it does this by having a) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs. eliminate b) arteries to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs. c) arteries to carry oxygenated blood to the tissues and veins to carry deoxygenated blood from the tissues to the heart. d) veins to carry oxygenated blood to the tissues and arteries to carry deoxygenated blood from the tissues to the lungs.

C) arteries to carry oxygenated blood to the tissues and veins to carry deoxygenated blood from the tissues to the heart.

Explanation:

C)arteries to carry oxygenated blood to the tissues and veins to carry deoxygenated blood from the tissues to the heart.

Explanation: Arteries and veins are channels for conducting blood movement in the body.

Arteries carries blood rich in oxygen into the blood stream and distribute to various part of the body while veins carried blood with low amount of oxygen out of the body system to the lungs for the release of carbondioxide to the atmosphere.

one of the most common forms of pain or discomfort we feel during strenuous exercise is a burning sensation in our lungs or muscles that goes away shortly after we cease the activity. this is caused by a build-up of lactic acid.