Which type of teeth are primarily used for grinding and chewing food at the back of the mouth?

Which simple machine is used in a pair of scissors?

Which everyday phenomenon demonstrates the principle of capillary action in plants?

Which common disease is caused by a deficiency of insulin or the body's inability to use insulin effectively?

Which white blood cell type is the most abundant and primarily fights bacterial infections?

Which type of wave does light represent in terms of its propagation?