The blood component responsible for transporting oxygen from the lungs to the body tissues and transporting carbon dioxide from the body tissue to the lungs is the

Which of the following best describes how higher concentrations of oxygen affect materials in fire conditions?

A. Materials that burn at normal oxygen levels will explode B. Materials that burn at normal oxygen levels will burn more slowly C. Materials that burn at normal oxygen levels will burn about the same D. Materials that burn at normal oxygen levels will burn more intensely

Peripheral nerves that originate from the spinal cord are called _______________ _______________. 

Fill in the blank(s) with the appropriate word(s).