Tag: respiratory system in humans

Questions Related to respiratory system in humans

Which of the following structures is NOT supported by incomplete cartilaginous rings?

  1. Trachea

  2. Secondary bronchi

  3. Terminal bronchioles

  4. Primary bronchi


Correct Option: A

Respiratory structures in insects are called as

  1. Gills

  2. Skin

  3. Lungs

  4. Trachea


Correct Option: D
Explanation:

Trachea is a respiratory organ of insects. It is made up of a system of branching tubes that deliver oxygen to the tissues and remove carbon dioxide from the tissues.

The narrowest and most numerous tubes of lungs are called as

  1. Bronchi

  2. Alveoli

  3. Bronchioles

  4. Tertiary bronchi


Correct Option: C
Explanation:

The lungs which form the main respiratory system is a pair of spongy, air-filled organs which is located on either side of the chest in the rib cage. The inhaled air passes through the trachea (windpipe) into the lungs through its tubular branches known as bronchi which further divide into numerous smaller tubes known as the bronchioles