Scientist made detailed analysis of the fossilized bones of each species. <span />
Most of the oxygen exiting the blood and entering the tissues does so from the capillaries.
Answer: Option D
<u>Explanation:</u>
The circulatory system consists of the heart, arteries, veins and capillaries. An artery is the one which carry blood from the heart to the organs. A vein is the one which carry blood from the organ to the heart.
A capillary is the smallest blood vessel which helps connect the functions of arteries and veins in the body. The capillaries are the narrow tubes which allow diffusion of Oxygen into and from the tissues. It’s prior function is to drop Oxygen in a tissue and collect the Carbon dioxide from the tissue.
Light, H2O, CO2 -> photosynthesis -> glucose, O2 -> cellular respiration -> ATP -> muscle contraction -> win
<span>Usain Bolt can run the 100 meter dash in record time because of this explanation and this will be the answer.</span>
<span>So based on your solution its letter A.</span>
