Central Nervous System - The Brain Flashcards
What are the four main areas the brain can be divided into?
Cerebellum.
Cerebrum.
Diencephalon.
Brain set,.
What is the largest part of the brain?
Cerebrum.
How many divisions of the cerebrum are there?
Four.
Which part of the brain is split down the middle into two halves?
Cerebrum.
What are the two halves of the cerebrum called?
Cerebral hemispheres.
How do the two hemispheres communicate with each other?
The corpus callosum.
Where does the cerebellum sit in relation to the cerebrum?
At the back.
What is the cerebellum involved in?
Controlling a persons motor skills and balance.
What can abnormalities in the cerebellum result in?
Speech and motor problems and epilepsy.
Where does the diencephalon lie in relation to the cerebrum and brain stem?
Under the cerebrum and at the top of the brain stem.
What are the two important structures within the diencephalon?
The Thalamus.
The Hypothalamus.
What does the thalamus act as?
A relay station for nerve impulses coming from the senses and routing them to the correct part of the brain s they can be processed.
What are some examples of functions of the hypothalamus?
Regulation of body temperature, hunger and thirst.
Acts as the link between the endocrine system and the nervous system, controlling the release of hormones from the pituitary gland.
What is the brain stem responsible for?
Regulating the automatic functions that are essential for life, such as heartbeat, treating and swallowing.
What type of neutrons travel through the brain stem.
What do these allow?
Motor and sensory neurons.
Allowing impulses to pass between the brain and the spinal chord.
