Think why disasters like Uttarakhand happened ?

Think why do you eat ?

Why did this happen ?

Think why testis are located outside the abdominal cavity?

Think why the diameter of the efferent arteriole is less than that of afferent arteriole.

Do you think those systems work together in the whole length of the digestive canal ? Why /Why not ?

If the size and shape of small intestine is like esophagus what will happen ?

Why do plants like Nepenthes trap Insects?

Think why are the pyramids always upright?

What is disaster management?

Why do you think the stomach is structured like a bag rather than a tube like esophagus ?