Q21. The body consists of many different types of of____.
Q22. The pituitary gland is situated in.
Ans- The base of the brain.
Q23. In man the normal number of chromosomes is___.
Q24.The name of the covering of the central nervous system is?
Q25. Which part of the brain controls anger, fear, body temperature?
Q26. In Human Respiratory system which part is called as Windpipe?
Q27. What is the function of the retina?
Ans- To create a reflection of an image.
Q28. Dehydration in the human body is caused due to the loss of –
Q29. What is the Ph of urine?
Q30. What is the covering of the heart?