Important Points : 1. Weight of Liver : 1.2 to 1.5 kg 2. Weight of Kidney : 120 to 170 gm 3. Number of lobes in Liver : 2 4. Number of salivary glands : 3 pair 5. Number of portions in stomach : 4 (Cardiac, fundic, body & Pyloric). 6. Stomach stores food for : 4 to 5 hours. 7. pH of saliva : 6.8 8. pH of gastric juice : 1.8 9. pH in duodenum : 7.8 10. pH of urine : 6.0 11. Breathing rate : 12-16 times/minute 12. Tidal volume : 500 mL 13. IRV : 2500 - 3000 mL 14. ERV : 1000 - 1100 mL 15. RV : 1100 - 1200 mL 16. Water in plasma : 90-92% 17. Water in watermelon : 92%. 18. Water in herbaceous plants : 85-90%. 19. Water in human cell : 70-90%. 20. Colon is divided in : 4 parts (Ascending, transverse, descending and sigmoid parts). (NCERT Correction-2019-20) 21. Solubility of CO2 is 20-25 times higher than that of O2 . 22. Diffusion membrane is made up of 3 layers. 23. Total thickness of diffusion membrane : < 1 mm 24. No. of wall layers in alimentary canal (from oesophagus to rectum) : 4 25. Gastric gland have 3 type of cells : Mucus neck cells, chief cells and parietal cells 26. Every 100 ml of oxygenated blood can deliver how much O2 to tissues : 5 mL 27. Every 100 ml of deoxygenated blood delivers how much CO2 to the alveoli : 4 mL 402 viewsAnil or perfect man, 11:48
