Is they are random changes I believe they should be mutations
ANSWER:
Lesions are areas of damage to motor neurons. Damage to upper motor neurons stops the signals your muscles need to move. When your muscles don't move for a long time, they become weak and stiff. Over time, it can become harder to walk and control your movement.
Explanation:
I hope it will help you
Yes the answer would be true
Red Blood Cells would take up 41% of the blood's overall volume.
