These are paired bean-shaped organs that are four to five inches long and two to three inches broad.

This happens when your muscles become black or blue as a result of a blood clot caused by being struck or colliding with something hard.

The bones of the head that surround the brain and give the head its shape

It is the largest and most complex level of an organization consist of plants, animals, and microorganisms.

These materials block the transmission of light.

It is a natural phenomenon that causes a violent wind. It also has a circular movement, found in the West Pacific Ocean.

It is a substance that allows heat or electricity to pass through.

It is the process by which water vapor in the atmosphere had cooled.

It is a mixture of sand and clay and contains a large amount of decaying plants and animals.