What is acetylcholine?
Neuro transmittter that controls functions such as memory, sleep, heart rate and muscular activity
Neuro chemical that inhibits wakefulness serving the purpose of slowing down cellular activity and diminishing arousal. These levels decrease during sleep.
Adenosine is a neuro chemical that inhibits wakefulness, serving the purpose of slowing down cellular activity and diminishing arousal. Adenosine levels decrease during sleep.
What is an action potential?
It is an electrical charge that travels along the axon to the neurons terminal. It then triggers the release of neurotransmitters.
An action potential is a surge of energy released from the neurons which sends chemicals our its dendrites to attach to other axons and cell bodies.
What is the adrenal cortex?
An endocrine organ that secretes steroid hormones for metabolic functions such as in response to stress
A function in where the body releases hormones into the blood stream in response to arousal and stress
What is the endocrine organ that secretes epinephrine and nor-epinephrine in concert with the activation of the sympathetic nervous system for example in response to stress?
Adrenal Cortex
Adrenal Medulla
Adenosine
Agonist
What is an agonist? *2 answers*
A type of drug or neurotransmitter or other molecule that stimulates receptors to produce a desired action
A muscle that moves a joint in an intended direction
A type of drug or neurotransmitter or other molecule that blocks receptors
A muscle that moves a joint in opposition to an intended direction
