The answer is carbon dioxide. so its true
<span>The blood pressure measured in the calf is lower than it is in the arm. Blood pressure in the body is highest right at the ascending arch of the aorta. From that point, the pressure decreases as blood moves "distally" from the heart. Purely mechanically, legs are farther away from the heart than are the arms, thus pressure is less.</span>
It would be A. True. I hope this helped you. Have a good afternoon
The growing problem In the video is when water is not getting in the tree roots.
