Well, pollution has to do with littering in the water? If so, I'm thinking that it would have to do with activities such as swimming, diving, and possibly ice hockey? Not so positive on the hockey part though?
The pollution of the water would create chemicals that would spread throughout the water and if someone went into the water, it could effect their lungs since you are breathing it.
It's basically like when you forget to put the top on your hot tub and you get algae.
Waves of muscular contractions that propel the contents of the digestive tract are called peristalsis.
Answer:
its a.anemia, b.leukemia, d.bradycardia, e.hypoxia, and f.arrhythmia
Explanation: i think pls tell me if im wrong
Light-sensitive cells in the retina at the back of our eye allow us to see. The human eye has two types: cones and rods. Rods are extremely efficient; a tiny amount of light can trigger them. They are responsible for our night vision.
