50. Assertion: Veins have thin walls to collect blood from different organs.
Reason: Blood in veins are not under pressure
50. Assertion: Veins have thin walls to collect blood from different organs.
Reason: Blood in veins are not under pressure

What type of questions asked from the lesson of magnetic effect of electric current
Last Activity: 3 Months ago

Wavelength of green light is
A) 400-450 nm
B) 500-550 nm
C) 660-720 nm
D) 720-800 nm
Last Activity: 5 Months ago

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?
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What are the main components of our environment? Explain each of them briefly.
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What are examples of hydrotropism plants?
Last Activity: 5 Months ago