Answer:
It might be mucus or a swollen tissue
Explanation:
what happens is its your tube contract that temporarly opens, So it might be just mucus or a swollen tissue, its a very small chance that it's infected, If you really concerned talk to your doctor.
that secrete their products, hormones, directly into the blood rather than through a duct.
Answer:Getting stronger
With physical activity, you can get stronger and build up your muscles
c d maybe a
no idea
