Which of the factors below is not critical in developing good physical fitness?
a. environment b. behavior c. age d. heredity

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

Anne is 60 years old and rather frail. she fractured her forearm while playing with her grandson. that was two months ago, but her arm is still in a sling. which disease is she likely suffering from?

How can a person  best  reduce the risk of injuries on the road?