Your mouth, nose, throat, sinuses and lungs are lined with mucus membranes. These membranes contain mucus glands that produce - surprise - mucus. Mucus-producing membranes line specific passages in your body, like the respiratory and digestive tracts, for protection and support.
The correct answer is B) Increased range of motion
The adrenal gland releases adrenaline
A or B are both the best options in this case, but B is the best option overall because if he is interested in an activity, then he will have more motivation.
