What is respiratory system Mcq?

The respiratory system is responsible for the exchange of gases in the living organisms. The main respiratory organ in humans is the lungs. The human respiratory system comprises a pair of lungs, trachea, bronchi, alveoli and diaphragm. Lungs are situated in the thoracic chamber.

What are some questions about the respiratory system?

The respiratory system test questions

• Which two structures does the trachea lead to in the lungs?
• What are the tiny air sacs in the lungs called?
• When we inhale (breathe in), what happens to the pressure in the thorax?
• What happens when we exhale (breathe out)?

What are bronchial tubes Mcq?

Bronchial tubes are large air sacs that deliver oxygen to the blood.

Which is also called windpipe?

(WIND-pipe) The airway that leads from the larynx (voice box) to the bronchi (large airways that lead to the lungs). Also called trachea.

What is the diaphragm?

The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.

What are the six layers of the respiratory membrane?

Terms in this set (6)

• alveolar fluid.
• simple squamous epithelium of the alveolus.
• basement membrane of the alveolar epithelium.
• interstitial space.
• basement membrane of the capillary endothelium.
• simple squamous endothelium of the capillary.

Which is called voicebox?

The area of the throat containing the vocal cords and used for breathing, swallowing, and talking. Also called larynx.

What is the respiratory system?

Answer the multiple choice question on the Respiratory System. 1. Your body couldn’t breathe without this system.Which one is it? It is the Perspiration system. It is the Respiratory system. It is the Urinary system. 2. The Respiratory system is made up of trachea, the lungs, and the ______________. Liver. Diaphragm.

What are the air passages in the lungs called?

Bronchial tubes are air passages inside your lungs. Bronchial tubes are blood vessels inside your body. Bronchial tubes are tiny air sacs that deliver oxygen to the blood . Bronchial tubes are large air sacs that deliver oxygen to the blood. 15. What muscles allow you to breathe in and out?

What do you mean by respiration?

The overall process by which oxygen is taken from the air and transported to the body cells for the metabolic process, while carbon dioxide and water (the waste products generated by cells ) are returned to the environment. 25. Quiz: Respiratory System Questions!

What is the path of air through the body?

Sol: (a) Air enters the body and travels to the lungs through the mouth and the nose. 19. The windpipe is also called the ________. Sol: (c) Trachea.