ZOOLOGY NOTES -PAGE 4- HUMAN RESPIRATION
HUMAN RESPIRATION
1. Name the first respiratory part in human beings?
Answer: Nasal cavity
2. How many iron atoms are found in a haemoglobin molecule?
Answer: Four
3. How many alveoli are there in each human lung?
Answer: 300 million
4. Name the internal lining of Trachea.
Answer: Ciliated columnar epithelium
5. What is the normal range of haemoglobin in blood of human beings?
Answer: 15 gm/100 ml
6. Name the organs that envelope the lungs.
Answer: Pleura
7. What is the other name of voice box?
Answer: Larynx
8. What is the diameter of an alveoli?
Answer: About 0.2 mm
9. Name the respiratory pigment in human being.
Answer: Haemoglobin
10. Name the organ which gets separated into trachea and oesophagus.
Answer: Pharynx
11. Through which organ the larynx opens into the wind pipe?
Answer: Glottis
12. What is the name given to the space between the two lungs?
Answer: Mediastinum
13. Name the organ on the lower surface of lungs?
Diaphragm
14. What is the non-protein part present in haemoglobin?
Answer: Iron
15. Name the organ that prevents the entry of food into respiratory tract?
Answer: Epiglottis
1. Name the first respiratory part in human beings?
Answer: Nasal cavity
2. How many iron atoms are found in a haemoglobin molecule?
Answer: Four
3. How many alveoli are there in each human lung?
Answer: 300 million
4. Name the internal lining of Trachea.
Answer: Ciliated columnar epithelium
5. What is the normal range of haemoglobin in blood of human beings?
Answer: 15 gm/100 ml
6. Name the organs that envelope the lungs.
Answer: Pleura
7. What is the other name of voice box?
Answer: Larynx
8. What is the diameter of an alveoli?
Answer: About 0.2 mm
9. Name the respiratory pigment in human being.
Answer: Haemoglobin
10. Name the organ which gets separated into trachea and oesophagus.
Answer: Pharynx
11. Through which organ the larynx opens into the wind pipe?
Answer: Glottis
12. What is the name given to the space between the two lungs?
Answer: Mediastinum
13. Name the organ on the lower surface of lungs?
Diaphragm
14. What is the non-protein part present in haemoglobin?
Answer: Iron
15. Name the organ that prevents the entry of food into respiratory tract?
Answer: Epiglottis
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- Zoology Notes- Page 1- Nutrition
- Zoology Notes- Page 2- Balanced Diet
- Zoology Notes- Page 3- Human Digestive System
- Zoology Notes- Page 4- Human Respiration
- Zoology Notes- Page 5- Genetics