How does performance enhancing drugs work in the human body?

Which of the following systems in absorbing oxygen and releases carbon dioxide

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead,sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities