Answer: Red or Red-Orange
Explanation: It catches bystanders attention
This is true. Endorphin's are released during exercise and cause a euphoric feeling.
I believe the answer is A.
B:
The fight or flight response is an automatic physiological reaction to an event that is perceived as stressful or frightening. The perception of threat activates the sympathetic nervous system and triggers an acute stress response that prepares the body to fight or flee. These responses are evolutionary adaptations to increase chances of survival in threatening situations. Overly frequent, intense, or inappropriate activation of the fight or flight response is implicated in a range of clinical conditions including most anxiety disorders. A helpful part of treatment for anxiety is an improved understanding of the purpose and function of the fight or flight response. This client information sheet describes the bodily consequences of the fight or flight response.
It would depend on how bad the tear is. You have tendons in your knee, most notably acl and pcl and if you tear those bad enough, you will not be able to walk
