Question

1. what is the little flap like structure and spoon shaped type of cartilage that seals off the air passage when you are eating called?

lid
uvula
epiglottis

1. oxygen (air) enters the alveoli which is surrounded by a network of _?

gases
protein
capillaries

Explanation:

1. The epiglottis is a flap - like, spoon - shaped cartilage that seals the air passage during eating to prevent food from entering the trachea.
2. Alveoli are surrounded by a network of capillaries where gas exchange occurs, with oxygen entering the bloodstream from the alveoli.

Answer:

1. C. Epiglottis
2. C. Capillaries