CBSE Class 10 Biology Transportation in Human
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- what is heart muscles
- why do we need a pumping organ and define cardiac cycle
- Write short notes on schematic representation of transport and exchange of oxygen and carbon dioxide.
- 1.IN MAMMALS AND BIRDS WHY IS IT NECESSARY TO SEPARTE OXYGENATED AND DE-OXGYENATED BLOOD? 2.DRAW A NEAT DIGRAM OF EXCRETORY SYSTEM OF HUMAN BEINGS AND LABEL ON IT : (1)LEFT KIDNEY (2) URINARY BLADDER
- why does red blood corpulses only capture oxygen molecules and not other air molecules?
- Q1.Why is it necessary to separate deoxygenated blood from oxygenated blood?(2 points; 2marks) Q2. Write the importance of double circulation in humans?(2 points; 2marks)
- Describe doble circulation in human beings. Why is it necessary? (3 marks)
- what is the function of appendix of our digestive system
- why people living in mountains have more red corpuscles in thier blood than people living in plains?
- What are the advantages of separation of oxygenated and deoxygenated blood in birds and other higher animals?
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