विज्ञान महत्वपूर्ण प्रश्नोत्तरी

✅विज्ञान महत्वपूर्ण प्रश्नोत्तरी✅

1. शरीर का तापमान ➺ 37 डीग्री 98.4 फ़ारेनहाइट
2. वस्यक व्यक्तियों में अस्थियों की संख्या ➺ 206
3. खोपड़ी में अस्थियां ➺ 28
4. कशेरुकाओ की संख्या :  ➺33
5. पसलियों की संख्या ➺24
6. गर्दन में कशेरुकाएं ➺7
7. लाल रक्त कणिकाओं की आयु ➺ 120 दिन
8. श्वेत रक्त कणिकाओ की आयु ➺1 से 3 दिन
9. श्वसन गति ➺16 बार प्रति मिनिट
10. हृदय गति ➺72 बार प्रति मिनिट
11. दंत सूत्र ➺ 2:1:2:3
12. रक्तदाव ➺120/80
13. मष्तिष्क का भार ➺ 1380 ग्राम
14. महिलाओं के मष्तिष्क का भार ➺ 1250 ग्राम
15. गुणसूत्रों की संख्या ➺ 23 जोड़े
16. जीन्स की संख्या ➺97 अरब
17. शरीर में अमीनों अम्ल की संख्या ➺ 22
18. शरीर में तत्वों की संखया ➺ 24
19. चेहरे की अस्थियां ➺ 14
20. छोटी आंत की लंबाई ➺ 22 फीट
21. हथेली की अस्थियां ➺ 14
22. पंजे की अस्थियां ➺ 5
23. शरीर में पानी की मात्रा ➺ 22 लीटर
24. ह्दय की दो धड़कनों के बीच का समय ➺ 0.8 से.
25. एक श्वास में खीची गई वायु ➺500 मि.मी.
26. सुनने की क्षमता ➺20 से १२० डेसीबल
27. कुल दांत ➺32
28. दूध के दांतों की संख्या ➺ 20
29. अक्ल दाढ निकलने की आयु ➺ 17 से 25 वर्ष
30. रक्त का PH मान ➺ 7.4
31. ह्दय का भार ➺ 300 ग्राम
32. महिलाओं के ह्‌दय का भार ➺ 250 ग्राम
33.रक्त संचारण में लगने वाला समय ➺ 22 से.
34. शरीर में रक्त की मात्रा ➺ 5 से 6 लीटर (शरीर के भार का 7 प्रतिशत)
35.शरीर में पानी की मात्रा ➺ 70

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