Physiology

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  • Created by: bh42vb
  • Created on: 30-04-19 16:23
Which cells form myelin sheaths around nerve fibres in the PNS?
Schwann
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A chemical transmitter substance released by certain nerve endings
Acetylcholine
2 of 40
Air sacs in the lungs
Alveoli
3 of 40
The process of glucose being broken down into glycogen
Glycolysis
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The major artery in the heart
Aorta
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Increase in muscle size
Hypertrophy
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The portion of the brain consisting of the medulla, pons and midbrain
Brain stem
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Heart Rate x Stroke Volume =
Cardiac Output
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The link formed when a myosin head binds to the corresponding binding site on actin during muscle contraction
Cross bridge
9 of 40
The branching extensions of neurons that carry electrical signals to the cell body
Dendrites
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The sheath of fibrous connective tissue surrounding a muscle
Epimysium
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The formation of new glucose molecules from noncarbohydrate substances, such as fats and proteins
Gluconeogenesis
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Formation of glycogen from glucose
Glycogenesis
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The breakdown of glycogen to glucose
Glycogenolysis
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The breakdown of glucose to pyruvic acid; an anaerobic process
Glycolysis
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Organelle responsible for modifying, packaging and shipping proteins produced by the rough ER to the appropriate destination
Golgi apparatus
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The type of contraction where the muscle generates tension but doesn't shorten, and no movement occurs
Isometric
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A hump formed by the abnormal curvature of the thoracic spine in a posterior direction
Kyphosis
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The abnormal curvature of the lumbar spine in the anterior direction
Lordosis
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The abnormal curvature of the spine in a lateral direction
Scoliosis
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Autoimmune disorder of the CNS where the myelin sheaths are converted into hardened scleroses in the brain and spinal cord
Multiple Sclerosis
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Feedback that causes the stimulus to decline or end
Negative
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Area at the back of the head
Occipital
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Bone-forming cells
Osteoblasts
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Large cells that break down bone matrix
Osteoclasts
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The membranous sac enveloping the heart
Pericardium
26 of 40
A receptor located in a muscle or tendon; concerned with locomotion, posture and muscle tone
Proprioreceptor
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Restoration of the membrane potential to the initial resting state
Repolarization
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The fluid-filled space at a synapse between neurons
Synaptic cleft
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An abnormal, excessively rapid heart rate
Tachycardia
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Discharging chambers in the heart
Ventricles
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A small fluid-filled sac formed by membrane
Vesicle
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The smallest contractile unit of muscle; extends from one Z disc to the next
Sarcomere
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Type of CNS supporting cell that has many cellular processes, each of which makes up a myelin sheath
Oligodendrocyte
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A single rapid contraction of a muscle followed by relaxation
Twitch
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Thin strands of the contractile protein actin
Microfilaments
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The rod-like cytoplasmic organelles responsible for ATP generation
Mitochondria
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AKA red blood cells
Ethrocytes
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The largest part of the brain
Cerebrum
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A specialized substance produced by the body that can provide immunity against a specific antigen
Antibody
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Other cards in this set

Card 2

Front

A chemical transmitter substance released by certain nerve endings

Back

Acetylcholine

Card 3

Front

Air sacs in the lungs

Back

Preview of the front of card 3

Card 4

Front

The process of glucose being broken down into glycogen

Back

Preview of the front of card 4

Card 5

Front

The major artery in the heart

Back

Preview of the front of card 5
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