Exam (elaborations)

DAANCE module 1

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DAANCE module 1

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DAANCE Module 1

DAANCE module 1 Myocardium - specialized muscle, unique ability to contract on its own. w/out stimulation by nerves The heart has four chambers, what are they? - Two upper chambers receive blood are called Atria. The left atrium receives blood from the lungs via the pulmonary vein and is oxygen-...

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Uploaded on December 15, 2024
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Institution DAANCE module 1
Course DAANCE module 1

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DAANCE module 1
Myocardium - ✔✔specialized muscle, unique ability to contract on its own. w/out stimulation by nerves

The heart has four chambers, what are they? - ✔✔Two upper chambers receive blood are called Atria.
The left atrium receives blood from the lungs via the pulmonary vein and is oxygen-rich; the right atrium
receives blood from the peripheral curculation (THE BODY) and is oxygen-poor.

Right Ventricle of the heart - ✔✔Sends deoxygenated blood to the lungs.

Left Ventriclue of the heart - ✔✔Sends oxygenated blood into the body or peripheral curculation (THE
BODY)

Vessels and Valves - ✔✔blood flows through the body in only one direction. The right side of the heart is
filled with deoxygenated blood while the left side is filled with oxygenated blood.

Neurons - ✔✔cells of the nervous system responsible for conducting nerve impulses within the brain as
well as from one part of the body to another.

Action potential - ✔✔The nerves threshold of stimulus

Synapse - ✔✔A junction between two neurons or to another structure such as a muscle.

Terminal Button - ✔✔the bulge at the end of the nerve touches the next nerve in the nerve pathway.

Gap between two nerves - ✔✔synaptic cleft

Central Nervous System - ✔✔overall control center of the body and consists of the brain and spinal cord.

Cerebral Cortex - ✔✔Responsible for such essential functions as thought, learning, memory,
consciousness, the feeling of sensations such as pain or heat and the initiation of muscle movement.

, The Core of the Brain - ✔✔Impulses pass through on their way to or from the cerebral cortex. Relay
station between sensory inputs from the periphery of the body to the cerebral cortex.

Cerebellum - ✔✔Coordinating center for both sensory receptors, such as those for vision and hearing as
well as coordination of movement.

Brainstem consists of what? - ✔✔Midbrain, pons, and medulla oblongata

Cranial nerves - ✔✔peripheral nerves that have their origin at the base of the brain.

Optic Nerve - ✔✔2nd cranial nerve, allows us to see

Olfactory Nerve - ✔✔1st cranial nerve and allows us to smell

Auditory Nerve - ✔✔8th cranial nerve, allows us to hear

Trigeminal Nerve - ✔✔5th cranial nerve, supplies sensation to the teeth and jaws, also has motor
brances that supply the muscle of mastication.

Facial Nerve - ✔✔7th cranial nerve, supplies motor fibers to the muscles of facial expression and allows
us to smiles, frown, wrinkle our brow.

What trigeminal nerves "three paired" division consist of? - ✔✔Opthalmic, Maxillary and Mandibular

Autonomic Nervous System regulates what? - ✔✔Internal Organs, keeping the bodys internal
environment in a relatively constant state (homeostasis)

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