Trachea

Q. Which of the following is present in the human trachea?

1. Ventrally incomplete C-shaped rings of hyaline cartilage
2. Dorsally incomplete C-shaped rings of elastic cartilage
3. Dorsally incomplete C-shaped rings of hyaline cartilage
4. Ventrally incomplete C-shaped rings of elastic cartilage rings

Q.

The trachea divides into two smaller tubes called ___.

1. bronchi

2. trachea

3. microtrachea

4. eustachian tubes