Question

..3 Very short answer questions.
1. Why does trachea have 'C'shaped rings
of cartilage?​

Answer 1

Answer: Trachea has C shaped rings to prevent it from collapsing thereby blocking the passage. The C shaped rings ensure a continuous flow of air.

Incase the trachea collapses it prevents air from passing and becomes fatal.

Answer 2

The trachea have 'C'shaped rings  of cartilage to prevent it from collapsing.

Explanation:

• The trachea is the passage from where the air passes from the larynx  to the lungs.

• The trachea is supported throughout by rings of C shaped cartilage.

• Without these rings of cartilage, the trachea would collapse and no passage would be formed for reaching of air to the lungs.

• Hence, the presence of C shaped cartilage is effective in animals that breathe through lungs.