C. H<span>ow hard a person works to do an activity.
Intensity has to do with effort. If a person works hard than they are intense, if vise versa than they are not intense.</span>
Answer:
Lung Cancer, Tuberculosis, Pneumonia, Chronic Obstructive Pulmonary Disease
Explanation:
They all effect the lungs
Every two weeks increase your distance by 2 miles. Focus on strength training 3 times a week and increase intensity at each work-out until you are at a plateau. Continue there building endurance. Keep a record of your heart rate so you don't overdo it.
Answer:
B D F
Explanation:
circulatory to get the white blood cells to where they need to go
immune to create the cells and kill the invaders
nervous to tell the body HEY GET TO WORK!!!!
The one that studies Edican and publishes it is A c. Pharmacologist
