Questions for PPT MUSCLE CONTRACTION

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What is skeletal muscle attached to?

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1

What is skeletal muscle attached to?

Bones of skeleton

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2

What is the function of a skeletal muscle??

Pull bone or skin to cause movement

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3

Is skeletal muscle Multinucleate or uninucleate?

Multinucleate

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4

Where is cardiac muscle found?

In the walls of the heart

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5

Is cardiac muscle Multinucleate or uninucleate

Uninucleate

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6

What is contractility?

It is muscles forcibly shortening when stimulated

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7

What is excitability?

The ability of muscle to respond to a stimulus

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8

What is extensibility ?

The ability of muscle to stretch beyond its resting length

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9

What is elasticity?

The muscles ability to recoil after being stretched

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10

Name all the muscle tissues

Skeletal muscle

Cardiac muscle

Smooth muscle

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11

Name all the muscle characteristics?

Contractility

Exciteability

Extensibility

Elasticity

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12

Muscle has 4 functions name them ?

Produce movement

Maintain posture

Stabilize joints

Generate heat

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13

How does muscle produce movement ?

Locomotion and manipulation

By moving blood through the circulatory system

Moving food through the digestive system

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14

How does muscle maintain posture ?

By counteracting the pull of gravity

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15

Is the origin of muscle more or less moveable ?

The origin Less moveable

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16

Is the insertion if a muscle more or less moveable?

The insertion is more moveable

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17

When muscle shorten where does the insertion move?

Towards the origin

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18

Can our muscles push?

No muscle always pull they never push

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19

Name the order of the muscle tisuues ?

  1. Epimysium

  2. Perimysium

  3. Fascicle

  4. Endomysium

  5. Muscle fiber

  6. Sarcolemma

  7. Sarcoplasm

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20

What is the epimysium ?

It's the dense irregular connective tissue surrounding the muscle

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21

What is the perimysium?

It's the connective tissue surrounding each fascicle

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22

What is a fascicle?

The bundle of muscle fibers within the epimysium

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23

What is the endomysium?

The connective tissue sheath around each muscle cell

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24

What is muscle fiber?

Each individual muscle cell

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25

What is the sarcolemma

The plasma

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26

What is the sarcoplasm ?

Cytoplasm of muscle cell

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