When you breathe, the diaphragm pulls down the abdomen and allows the to fill with air

Whose work is most likely to be part-time and at several locations? а. physical therapistb. sports physicianc nutritionistd group fitness instructor

What factors contribute to the effect an environmental toxin has on the human body?

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?