Extra questions (6th class)_

Write down these questions in your note book as i have explained to you
Q1. Smallest structural and functional unit of life - Cell

Q2. From where the process of digestion begins and what is it's another name - Mouth( Oral Cavity )

Q3. The visible part of the teeth - Crown

Q4. Hardest substance in the body - Enamel

Q5. Last pair of molar teeth - Wisdom Teeth

Q6. Tiny lumps present on the tongue which help to taste - Taste Buds

Q7. Number of salivary glands present in our mouth- 3 Pairs

Q8. Salivary produced by an adult in 1 day - 1 Liter

Q9. Another name of food pipe - oesophagus

Q10. Connecting tube between mouth and stomach -oesophagus

Q11. An organ which has bag like structure - Stomach

Q12. Juices secreted by stomach - Gastric Juice

Q13. Largest gland of the body - Liver

Q14. Brownish-Green fluid secreted by liver - Bile Juice

Q15. Juice secreted by pancreas - Pancreatic Juice

Q16. Longest part of digestive system - Small Intestine

Q17. Where does the bile juice and the pancreatic juice mixed with food -Small intestine

Q18. Where does the absorption of nutrients take place - Small Intestine

Q19. Where does the absorption of water take place from undigested food - Large Intestine

Q20. External opening through which undigested food is eliminated from the body - Anus

Q21. Organ which produces sound and known as sound box - Larynx

Q22. Where does the exchange of air takes place in lungs - Blood Vessels And Air Sacks

Q23. Who carry the oxygen to different parts of the body - Blood

Q24. On which side of the heart pure blood flows - Left Side

Q25. Number of chambers in human heart - 4 Chambers

Q26. The membrane which separates the left and right side of the heart - Septum

Q27. A substance in the blood which gives red colour to the blood - Hemoglobin

Q28. Number of types of blood groups in humans - 4

Q29. Universal donor blood groups in humans - 0

Q30. Universal recipient blood groups - AB

Q31.Average heart beat - 72 Times Per Minute

Q32. Heart beat of new born - 140 Times Per Minute

Q33. Master of body - Brain

Q34. Largest part of brain - Cerebrum

Q35. Part of the brain which controls motor activity - Cerebellum

Q36. Part of the brain which controls involuntary action - Medulla

Q37. Why we should not toss food into mouth directly?

A37. This may choke our wind pipe.