Yakeen 2 3 0 Neet batch 2025 pw
@yakeen_2_3_0_neet_batch_2025
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๐ฅ @jay_baba_ri
Yakeen 2 3 0 Neet batch 2025 pw
28 Jun, 13:34
Fig.: A diagram of a section of an alveolus with a pulmonary capillary
๐๐ซ๐๐๐๐ก๐๐ ๐ข๐ ๐๐๐ฆ๐๐ฆ
Alveoli are the primary sites of exchange of gases.
Gaseous Exchange in Lungs
โ At alveoli level, gaseous exchange occur through respiratory membrane (diffusion membrane) which is 0.2 mm thick (total thickness is much less than a mm).
โ ๐๐ ๐ฐ๐ผ๐ป๐๐ถ๐๐ ๐ผ๐ณ ๐๐ต๐ฟ๐ฒ๐ฒ ๐น๐ฎ๐๐ฒ๐ฟ๐:
(i) Alveolar epithelium (thin squamous epithelium)
(ii) Basement substance in between them (composed of a thin basement membrane supporting the squamous epithelium and the basement membrane surrounding the single layer endothelial cells of capillaries)
(iii) Endothelium of alveolar blood capillaries
โ Exchange of gases also occur between blood and tissues.
โ O2 and CO2 are exchanged in these sites by simple diffusion mainly based on pressure/concentration gradient
โ Pressure contributed by an individual gas in a mixture of gases is called partial pressure and is represented as pO2 for oxygen and pCO2 for carbon dioxide.
๐๐ซ๐๐๐๐ก๐๐ ๐ข๐ ๐๐๐ฆ๐๐ฆ
Alveoli are the primary sites of exchange of gases.
Gaseous Exchange in Lungs
โ At alveoli level, gaseous exchange occur through respiratory membrane (diffusion membrane) which is 0.2 mm thick (total thickness is much less than a mm).
โ ๐๐ ๐ฐ๐ผ๐ป๐๐ถ๐๐ ๐ผ๐ณ ๐๐ต๐ฟ๐ฒ๐ฒ ๐น๐ฎ๐๐ฒ๐ฟ๐:
(i) Alveolar epithelium (thin squamous epithelium)
(ii) Basement substance in between them (composed of a thin basement membrane supporting the squamous epithelium and the basement membrane surrounding the single layer endothelial cells of capillaries)
(iii) Endothelium of alveolar blood capillaries
โ Exchange of gases also occur between blood and tissues.
โ O2 and CO2 are exchanged in these sites by simple diffusion mainly based on pressure/concentration gradient
โ Pressure contributed by an individual gas in a mixture of gases is called partial pressure and is represented as pO2 for oxygen and pCO2 for carbon dioxide.
Yakeen 2 3 0 Neet batch 2025 pw
01 Jun, 17:11
TYPES OF BACTERIA ๐ด
1. On the basis of their shape:
(i) Coccus (pl: Cocci) โ Spherical shaped, e.g., Streptococcus lactis
(ii) Bacillus (pl: Bacilli) โ Rod shaped, e.g., E. coli, Lactobacillus
(iii) Spirillum (pl: Spirilla) โ Spiral shaped bacteria, e.g., Spirillum volutans, Spirochete.
(iv) Vibrium (pl: vibrium) โ Comma shaped, e.g., Vibrio cholerae
(v) Pleomorphic bacteria โ Variable in shape, e.g., Rhizobium.
1. On the basis of their shape:
(i) Coccus (pl: Cocci) โ Spherical shaped, e.g., Streptococcus lactis
(ii) Bacillus (pl: Bacilli) โ Rod shaped, e.g., E. coli, Lactobacillus
(iii) Spirillum (pl: Spirilla) โ Spiral shaped bacteria, e.g., Spirillum volutans, Spirochete.
(iv) Vibrium (pl: vibrium) โ Comma shaped, e.g., Vibrio cholerae
(v) Pleomorphic bacteria โ Variable in shape, e.g., Rhizobium.
Yakeen 2 3 0 Neet batch 2025 pw
01 Jun, 06:46
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Yakeen 2 3 0 Neet batch 2025 pw
16 Apr, 02:16
HIGH WEIGHTAGE CHAPTER FOR NEET UG 2024
โฆฟ CHEMISTRY
1. s/p/d/f Blocks : 6 - 8 Q.
2. Chemical Bonding : 4 - 5 Q.
3. Oxygen cont. Group : 3 - 4 Q.
4. Hydrocarbon & Halogen derivatives : 3 - 4 Q.
5. Complex Compound: 3 - 4 Q.
6. Electrochemistry: 2 - 3 Q.
7. Reaction Mechanism: 2 - 3 Q.
8. Equilibrium,Acid base: 3 - 4 Q.
9. Thermodynamics : 1 - 2 Q.
10. Chemical Kinetics : 1 - 3 Q.
11. Atomic Structure : 1 - 2 Q.
12. Solution : 2 - 3 Q.
13. Biomolecules : 1 - 2 Q.
14. Mole concept : 1 - 2 Q.
15. Solid State: 1 - 2 Q.
16. Nitrogen compound: 1 - 2 Q.
17. Polymer: 1 - 2 Q.
18. Surface Chemistry: 1 - 2 Q.
19. States of matter: 1 Q.
โฆฟ PHYSICS
1. Modern Physics: 3 - 4 Que.
2. Thermal Physics: 4 - 5 Que.
3. Magnetism: 2 - 3 Que.
4. Current Electricity: 3- 4 Que.
5. Semiconductor: 2 - 3 Que.
6. Ray optics: 3 - 4 Que.
7. Rotational motion: 2 - 3 Que.
8. Gravitation: 2 - 3 Que.
9. Kinematics: 2 - 3 Que.
10. Fluid mechanics: 2 - 3 Que.
11. Wave motion & doppler: 1 - 2 Que.
12. Alternating current: 1 - 2 Que.
13. Wave Optics: 2 - 3 Que.
โฆฟ
1. s/p/d/f Blocks : 6 - 8 Q.
2. Chemical Bonding : 4 - 5 Q.
3. Oxygen cont. Group : 3 - 4 Q.
4. Hydrocarbon & Halogen derivatives : 3 - 4 Q.
5. Complex Compound: 3 - 4 Q.
6. Electrochemistry: 2 - 3 Q.
7. Reaction Mechanism: 2 - 3 Q.
8. Equilibrium,Acid base: 3 - 4 Q.
9. Thermodynamics : 1 - 2 Q.
10. Chemical Kinetics : 1 - 3 Q.
11. Atomic Structure : 1 - 2 Q.
12. Solution : 2 - 3 Q.
13. Biomolecules : 1 - 2 Q.
14. Mole concept : 1 - 2 Q.
15. Solid State: 1 - 2 Q.
16. Nitrogen compound: 1 - 2 Q.
17. Polymer: 1 - 2 Q.
18. Surface Chemistry: 1 - 2 Q.
19. States of matter: 1 Q.
โฆฟ PHYSICS
1. Modern Physics: 3 - 4 Que.
2. Thermal Physics: 4 - 5 Que.
3. Magnetism: 2 - 3 Que.
4. Current Electricity: 3- 4 Que.
5. Semiconductor: 2 - 3 Que.
6. Ray optics: 3 - 4 Que.
7. Rotational motion: 2 - 3 Que.
8. Gravitation: 2 - 3 Que.
9. Kinematics: 2 - 3 Que.
10. Fluid mechanics: 2 - 3 Que.
11. Wave motion & doppler: 1 - 2 Que.
12. Alternating current: 1 - 2 Que.
13. Wave Optics: 2 - 3 Que.
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