Respiratory system

Question 1

what is the main function of the nose

Answer 1

provides air for respiration and conditions the air by filtering, warming, and moistening it.

Question 2

what is the main function of the epiglottis

Answer 2

allows air to pass into the larynx and lungs

Question 3

what is the main function of the trachea

Answer 3

Allow passage of inspired and expired air into and out of lungs

Question 4

what is the main function of the lungs

Answer 4

Allows to breathe

Question 5

what is the main function of the bronchus

Answer 5

Distribute the air throughout the lungs until reaching the bronchioles

Question 6

what is the main function of the bronchioles

Answer 6

To deliver air to a diffuse network of around 300 million alveoli in lungs

Question 7

what is the main function of the alveoli

Answer 7

Exchange oxygen and carbon dioxide during the process of breathing in and out

Question 8

identify the muscle movements that make us breathe

Answer 8

The diaphragm contracting and flattening, intercostal muscles and abdominal muscles

Question 9

explain how oxygen is absorbed into the blood and carbon dioxide is removes from the blood

Answer 9

As oxygen crosses over into the capillaries from the alveoli, the red blood cells capture it, while the carbon dioxide is unloaded into the lungs to be removed via the alveoli.