<span>In a histological cross section through an artery, a vein, and a lymphatic vessel, one can recognize the lymphatic vessel because it responds to heart-beats</span>
D. animals supply co2 to plants and plants supply o2 to animals :)
The correct answer should be A. What measurements will be used to evaluate me?
This can help you understand what standards will be applied when measuring your performance.
The adult heart pumps about five quarts of blood each minute so around 2,000 gallons<span> of blood each day.A typical athlete's heart churns out up to </span>eight gallons<span> of blood per minute.</span>