The brain has three main parts: the cerebrum, cerebellum and brainstem. Cerebrum: is the largest part of the brain and is composed of right and left hemispheres. It performs higher functions like interpreting touch, vision and hearing, as well as speech, reasoning, emotions, learning, and fine control of movement.
May be single-celled or multi-celled
have cells that contain DNA within a nucleus
include animals and plants
<h3>answer:</h3>
The definition of a herd is a big group of animals or people who share the same characteristics. An example of a herd is a group of cattle, sheep or elephants who all live and travel together.