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Anatomy > The Muscular System > Flashcards

The Muscular System Flashcards

1
Q

Slower contract and to relax than skeletal muscle

A

Smooth muscle

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2
Q

What are the functions of the muscular system

A 
Protect 
Support
Temperature Control
Body Movement 
Tone
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3
Q

Muscle cell

A

Muscle fiber

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4
Q

Functional unit of muscle

A

Sarcomere

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5
Q

Protein filaments that are involved in the sliding filament model (theory)

A

Actin and myosin

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6
Q

Hormones affect _____, stimulating contractions in some cases

A

Smooth muscle

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7
Q

Proteins that are a part of actin filaments

A

Troponin and tropomyosin

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8
Q

Stimulates muscle by releasing calcium

A

Motor neuron

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9
Q

Resembles skeletal muscle contraction

A

Smooth muscle contraction

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10
Q

Messenger from the brain

A

Neurotransmitters

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11
Q

During exercise, _________ synthesizes ATP for muscle fibers to contract instead of making ATP for lactic acid. When _________ accumulates you develop _______________

A

oxygen; lactic acid; oxygen debt

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12
Q

Can maintain a forceful contraction longer with a given amount of ATP and can change the length of muscle fibers

A

Smooth muscles

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13
Q

Connects muscle to bone

A

Tendon

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14
Q

Requires extra calcium from transverse tubules which comes from the extra cellular fluid and allows _______ to be longer than skeletal muscle twitches

A

Cardiac muscle twitches

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15
Q

What do Auburn and this test have in common?

A

They both suck!

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16
Q

Connects bone to bone

A

Ligament

17
Q

Losing the ability to contract muscles due to interruption in muscles blood, lack of acetylcholine, or build up of lactic acid

A

Muscle fatigue

18
Q

When one portion of the _____ network is stimulated, the resulting impulses passes to the other parts of the network, and the whole structure _____ as a self-exciting, rhythmic, functional unit

A

Cardiac muscle; contract

19
Q

Contracts when a neurotransmitter (acetylcholine) stimulates it and releases calcium.

A

Skeletal muscle contraction

20
Q

Two neurotransmitters affect this muscle’s contractions—acetylcholine and norepinephrine.

A

Smooth muscle contraction

21
Q

If I’m flexing my biceps I’m relaxing my triceps and vice versa. (Opposites work in pairs)

A

Muscle interactions

22
Q

The discs help join cells and transmit the force of _______ from cell to cell

A

Cardiac muscle contraction

23
Q

Includes reaction of actin and myosin, triggered by membrane impulses, and an increase in intracellular calcium ions, uses energy from ATP

A

Smooth and Skeletal muscle contractions

24
Q

You will also have to label on the body the 20 terms he gave us in class and complete the essay: What is the process of the sliding filament theory?

A

You will have to do that on your own

Anatomy (6 decks)

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