If we consume onion and garlic, we get bad breath. Why?

Two of the vegetables we consume are nothing but leaf bases. Which are they?

If three numbers are added, their sum is 2 . If 2 times the second number is subtracted from the sum of first and third number, we get 8 and if three times the first number is added to the sum of second and third number, we get 4 . Find the numbers using matrices.

Small intestine in very long and coiled. Even if we jump and run, why it does not get twisted? What can happen of it gets twisted?

How do we get energy?

Why do we use iodized salt?