Chapter 3 Psychology 175.102

Transmit information from the sensory cells called receptors to the brain.

Basic units of the nervous system

Nerve cells that connect other neurons with one another.

Transmit commands from interneurons to the glands and muscles of the body.

Dendrites Cell body Axon Myelin sheath Terminal buttons Synapses

Neurotransmitter that can excite nearly every neuron in the nervous system

Neurotransmitter that play an inhibitory role.

Neurotransmitter involved in thought, feeling, motivation, and behaviour

Neurotransmitter involved in regulation of mood, sleep, eating, arousal and pain.

Neurotransmitter involved in learning and memory.

Neurotransmitter that elevates mood and reduces pain.

A collection of glands that secrete chemicals, called hormones, directly into the bloodstream.

An oval structure in the brain often called the master gland because it stimulates and regulates other glands

Located in the neck, releases hormones that control growth and metabolism

Located in the kidneys. Secretes adrenaline and other hormones during emergencies.

Located near the stomach, produces hormones that control blood-sugar levels

Glands that influence sexual development and behaviour.

Male hormone of the gonads

Female hormone of the gonads

Consists of brain and spinal cord

Consists of neurons that convey messages to and from the CNS. Somatic nervous system & Autonomic nervous system

Transmits sensory information to the central nervous system and carries out its commands

Conveys information to and from internal bodily structures that carry out basic life support such as digestion and respiration. Includes Sympathetic nervous system & Parasympathetic nervous system.

Activated in response to threats.