I’m saying A but maybe not
<span>Muscles receives signal from the nerves which causes them to contract and relax. If our nerve is damaged then we can't send or receive signals from it so you can lose sensory and motor functions.</span>
Hola me ha dicho la que ha ido y me han dicho nada de que me han dicho nada más que se pueda ver a la we had some
The diagram illustrates A) a food chain
<span>Catalase is a common enzyme very important in reproductive reactions and is found in almost all living organisms exposed to oxygen. There are different catalase activities, pH optimum of which between 4 and 11 depending on the species. However, the optimum pH for human catalase is approximately 7.0 (letter C). </span>