The immediate effects of exercise are on the neurotransmitters. They cause the signals that pass through the brain go faster. This makes it easier for you to learn new things. Since exercise makes muscles stronger, cells are created in the process and it increases the number of pathways for oxygen and other things. That makes your reflexes and your nerves faster. Different types of exercises also increase your cognitive learning.
Immediate risks are bleeding and infection. The first steps to take would be to call a teacher or staff member, call 911, and try to stop the blood flow.
