The largest and most recognisable part of the brain, responsible for thought, imagination and reasoning.

Areas which receive impulses indirectly from receptors.

Neurones which carry impulses from the central nervous system to skeletel muscles, which are under voluntary (conscious) control

Fight or flight response

A physiological reaction in response to stress resulting in an increased heart rate, blood pressure, glucose levels in the blood, and redistribution of blood from the digestive tract to the muscles.

An area of the brain under the cerebrum, and behind the hypothalamus and pons, which controls coordination of movement and posture

Compare (sensory) input with previous experiences in order to interpret what the input means and judge an appropriate response.

Neurones of the peripheral nervous system that act as a control system functioning largely below the level of consciousness, and controls heart rate, digestion, respiratory rate, salivation and perspiration.

Central nervous system

Nerve tissues that control the activities of the body, in vertebrates the brain and spinal cord.

The network of nerve cells and fibers that transmits nerve impulses between parts of the body.

The continuation of the spinal cord within the skull, located near the bottom of the skull and near the top of the spinal cord. Contains control centres for the heart and lungs.

Sends impulses to effectors such as muscles or glands

Controls autonomic nervous system, located at the top of the spinal cord and below the cerebrum

Parasympathetic neurone

The parasympathetic system is responsible for stimulation of activities that occur when the body is at rest, especially after eating, including sexual arousal, salivation, lacrimation, urination, digestion and defecation

One of three major parts of the autonomic nervous system. Constantly active at a basic level to maintain homeostasis.

Peripheral nervous system

Consists of all sensory and motor neurones that Are outside the central nervous system- connecting the receptors and effectors to the CNS.

The system of glands that produce endocrine secretions that help to control bodily metabolic activity.

Opposing effects, for example when sympathetic and parasympathetic systems differ in action, opposing the other.

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Biology R

The Brain key terms (1)

Term	Definition
Cerebrum	The largest and most recognisable part of the brain, responsible for thought, imagination and reasoning.
Sensory areas	Areas which receive impulses indirectly from receptors.
Somatic neurone	Neurones which carry impulses from the central nervous system to skeletel muscles, which are under voluntary (conscious) control
Fight or flight response	A physiological reaction in response to stress resulting in an increased heart rate, blood pressure, glucose levels in the blood, and redistribution of blood from the digestive tract to the muscles.
Cerebellum	An area of the brain under the cerebrum, and behind the hypothalamus and pons, which controls coordination of movement and posture
Association areas	Compare (sensory) input with previous experiences in order to interpret what the input means and judge an appropriate response.
Autonomic neurone	Neurones of the peripheral nervous system that act as a control system functioning largely below the level of consciousness, and controls heart rate, digestion, respiratory rate, salivation and perspiration.
Central nervous system	Nerve tissues that control the activities of the body, in vertebrates the brain and spinal cord.
Nervous system	The network of nerve cells and fibers that transmits nerve impulses between parts of the body.
Medulla oblongata	The continuation of the spinal cord within the skull, located near the bottom of the skull and near the top of the spinal cord. Contains control centres for the heart and lungs.
Motor areas	Sends impulses to effectors such as muscles or glands
Hypothalamus	Controls autonomic nervous system, located at the top of the spinal cord and below the cerebrum
Parasympathetic neurone	The parasympathetic system is responsible for stimulation of activities that occur when the body is at rest, especially after eating, including sexual arousal, salivation, lacrimation, urination, digestion and defecation
Sympathetic neurone	One of three major parts of the autonomic nervous system. Constantly active at a basic level to maintain homeostasis.
Peripheral nervous system	Consists of all sensory and motor neurones that Are outside the central nervous system- connecting the receptors and effectors to the CNS.
Endocrine system	The system of glands that produce endocrine secretions that help to control bodily metabolic activity.
Antagonistic	Opposing effects, for example when sympathetic and parasympathetic systems differ in action, opposing the other.

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