Which part of the respiratory system is a flap of tissue in back of the mouth that covers the trachea to prevent food from entering it?

a.
trachea

b.
diaphragm

c.
lungs

d.
epiglottis

Difference between normal and abnormal tissue is much clearer on mri than on ct and mri much suitable to view soft tissues

Ithink it true i might be wrong so don't take my word that its true.

Afew buddies come over to your house to hang out. they notice you're struggling in school, perhaps you have to rely on to pass your class, but you can't absorb the knowledge. they could positively reinforce getting a tutor and working with you, dedicating more time to the areas of struggle and less on hanging out to better yourself.secondly, say you're the victim of bullying. you're afraid to tell an adult because of possible repercussions from the bully himself. your friends encouraging you and pushing you towards telling an adult for your safety is another example.