Question

Answer the following.
1. Where does internal respiration take place?
2. What role do the hairs and mucus-producing cells in the nasal cavity p
3. Name the organs of the respiratory system.
4. What is carbaminohaemoglobin?
5. Why is the left lung smaller than the right lung?​

Answer 1

Answer:

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Answer 2

Answer:

1. Internal respiration occurs in the metabolizing tissues, where oxygen diffuses out of the blood and carbon dioxide diffuses out of the cells.

2. Cilia at the apex of epithelial cells act to propel mucus, allergens, and foreign particles from the nasal cavity towards the pharynx where they are removed by swallowing.

3.The respiratory system consists of all the organs involved in breathing. These include the nose, pharynx, larynx, trachea, bronchi and lungs.

4. Carbaminohemoglobin is a compound of hemoglobin and carbon dioxide, and is one of the forms in which carbon dioxide exists in the blood. Twenty-three percent of carbon dioxide is carried in blood this way.

5. The left lung is a little smaller than the right lung because it shares space         in the left side of the chest with the heart.