I’m not for sure, but I’m pretty sure it’s mental because your brain determines what you like and how you act/feel
Answer C, it damages cilia, which would normally remove particles before they enter the lungs.
I would choose A, gradually overload your muscles, also known as progressive overload, the gradual increase of stress placed upon the body during training.
It can't be b because that would build up one's cardiovascular endurance not muscular endurance.
it can't be C although that diet does play a big role when it comes to exercise
and it can't be d because although that helps too it doesn't build muscular endurance.
The joint capsule resembles a sac-like envelope that forms a sleeve around the synovial joint and encloses its cavity. The joint capsule is a dense fibrous connective tissue that is attached to the bones via specialized attachment zones at the end of each involved bone.