During dehydration, the substance that is usually lost by the body is :

Which situation of the body is known as cancer?

Arthritis is caused by the deposition of which of the following in the joints of the body?

Which organ of the body is affected most on keeping fast for a long time?

The organ of the human body directly affected by the disease of hepatitis is –

Which organ of the human body is affected by the Alzheimer’s disease?