Neurotransmitters and Neurons

Neurons transmit signals either when stimulated by sensory input or triggered by neighboring ______.

The soma, or cell body, contains all that necessary cell action like the nucleus, DNA, mitochondria, ribosomes, and ______.

The axon fiber is long, and, depending on what type of neuron it is, is sometimes encased in a protective layer of fatty tissue, called the ______ sheath.

The contact points between neurons are called ______.

Neurons communicate with neurotransmitters which in turn cause motion and emotion; they help us move around, make jazz hands, learn, feel, remember, stay alert, get sleepy, and pretty much do ______ we do.

Neurons, or ______, are the building blocks that comprise our nervous systems.

Our brains and our nervous systems and the substances they produce and are always bathed in are amazingly complex ______ systems.

And even though we're always talking about our mental activities being somehow separate from all the biological stuff going on in our bodies, in reality, the moods, ideas, impulses, that flash through our minds are spurred by our ______ condition.

So one way to understand how your mind works is to look at how the chemistry of your body influences how you think, sense, and feel about the world around you. To do that, we begin at the simplest level, the system with the smallest parts, it's all about the ______, baby.

Neurons share the same basic makeup as our other cells, but they have ______ mojo that lets them transmit messages to each other.

Each of these systems is fantastically ______. Way more than we can get into here.

In our next lesson, we're gonna delve deeper into the different components of your ______ system.

Find out what your old ______ is, and learn about how much of your brain you actually use.

Thank you for watching this lesson in Crash Course Psychology which was brought to you by ______ Ice.

If you'd like to sponsor an episode and give your own shout-out, you can learn about that and other perks available to our ______ subscribers.

Neurotransmitters act on the brain and can both excite or inhibit neurons depending on what type of ______ they encounter.

Hormones affect our moods, arousal, and circadian rhythm, they regulate our metabolism, monitor our immune system, signal growth, and help with ______ reproduction.

The ______ gland releases a vital growth hormone that spurs physical development and that love hormone, oxytocin, that promotes warm, fuzzy feelings of trust and social bonding.

Your thyroid and parathyroid glands at the base of your throat secrete hormones that regulate your metabolism and monitor your body's ______ levels.

The pancreas sits right next to the adrenal gland and oozes insulin and glucagon hormones that monitor how you absorb sugar, your body's main source of ______.

Acetylcholine enables muscle action and influences learning and memory; Alzheimer's patients experience a deterioration of their acetylcholine producing ______.

Dopamine, meanwhile, is associated with learning, movement, and pleasurable emotions, and excessive amounts of it are linked to schizophrenia as well as addictive and impulsive ______.

Like neurotransmitters, hormones act on the ______, and indeed some of them are chemically identical to certain neurotransmitters.

Hormones affect our moods, arousal, and circadian rhythm, they regulate our metabolism, monitor our immune system, signal growth, and help with sexual ______.

We've got a pair of adrenal glands snuggled up against our kidneys that secrete adrenaline, that famous fight or flight hormone that jacks up your heart rate, blood pressure and blood sugar, giving you that tidal wave of energy preparing you to run like heck or punch that charging baboon in the ______.