Which structure makes it possible for the exchange of gases to occur in the gills? a. alveoli b. capillaries c. mouth d. fins

When lifting, where should you bend?

3points which of these are associated with a sedentary lifestyle? select the two correct answers. a. physical fitness b. lack of energy c. normal bmi o d. increased risk of disease

What is the name of the device that senses the current flowing,tripping the circut,and cutting off the electricity