Questions

The repeating units that are used to form the helical DNA structure are called nucleotides.

The study of Brain is called as Phrenology. 

Neurology is a branch of medicine dealing with disorders of the nervous system.

Nephrology is the study of kidney.

Neurobiology or Neuroscience is the study of the nervous system

The amount of water vapor ranges from a trace amount up to 4% of the mass of air. Water vapor exists as an invisible gas in the air.

The amount of water vapor in the air is called absolute humidity. The amount of water vapor in the air as compared with the amount of water that the air could hold is called relative humidity.

The maximum amount of water vapor that can be in the air depends on the air temperature.

Every ecosystem must have Autotrophs.

The nervous system of the human brain consists of the central nervous system which has brain and the spinal cord and the peripheral nervous system which has perpheral, cranary, spinal nerves.