C) neural tunic
Another common name is retina
This question appears to be incomplete. During blood doping, the athlete will have blood drawn and stored. The athlete will then allow sufficient time for the body to replenish the removed blood. Immediately prior to the event, the athlete will inject the stored blood back into his/her system. Blood doping<span> effectively increases the number of </span>red blood cells<span> in the bloodstream to above normal. This enhances performance because blood cells carry </span>oxygen<span> from the </span>lungs<span> to the </span>muscles<span>, and a higher concentration of oxygen in the blood can improve an athlete’s </span>aerobic capacity<span> a</span><span>nd </span>endurance.
Answer:
C.) castings
Explanation:
Worm castings are a biologically active mixture of bacteria, enzymes, plant materials and animal dung leftovers, as well as earthworm cocoons. When worms digest food or other materials, complex nutrients are broken down into more accessible forms than those present in the castings. I hope this helps! ^-^
Answer:
Blood carries carbon dioxide back to our heart and lungs, oxygen back to heart and out to the body
Explanation: