D. Tendonitis
A broken leg can result from a bad tackle or jump, a torn ligament can also be a bad tackle, and a hematoma can come from a hit to the head.
Tendonitis is the inflammation of the tendons which is caused by overusage. If muscles or tendons don't have time to heal like after a week of running then they would be used too much...
Hope this helped!
A hazardous material is any item or agent ( it can be biological, chemical, radioactive, and any sort of physical object ), that has the potential of harming any biological creature or the environment (by biological we mean humans, animals etc.)
Any substance that is a health hazard is a hazardous material. Here are some examples : chemicals with carcinogents, toxic agents, sensitizers etc.
These are arteries, which prevent the backflow of blood because the walls have little muscle to pump blood into the capillaries.
Right vertical blood pumping
left vertical blood pumping