Plant life, especially the trees in the Rain forest absorb the carbon dioxide and produce oxygen so without them, there would be much more carbon dioxide.
In fact we believe that the oxygen in our atmosphere has origin in plant life! Specifically ocean plants. <span />
A muscle cell has more mitochondria <span>because mitochondria provides the energy for the cell and the muscle is a part of the body that does active processes that require energy. </span>
<span>a. they counteract low venous pressure, and prevent backflow of blood away from the heart - Venous valves are structures that are made of elastic tissue. The valves are there to ensure that the blood keeps moving in one direction. The veins use these valves to work against the effects of gravity as well as low pressure with the veins.
</span>
Is it multiple choice? and if so may you please include the answers?
the answer should be a herbivore
