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Year 11 - Human Biology > Musculoskeletal System > Flashcards

Musculoskeletal System Flashcards

1
Q

Filament

A

Long chain of proteins

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2
Q

Muscle

A

A band or bundle of fibrous tissue in the human body that has the ability to contract

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3
Q

Myofibril

A

A threadlike structure found in the cytoplasm of muscle fibres

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4
Q

Sarcolemma

A

A thin, transparent membrane surrounding a muscle cell

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5
Q

Sarcomere

A

Sections of myofibrils, consists of actin and myosin filaments

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6
Q

Chondrocyte

A

A cell that forms the fibres and matrix of cartilage

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7
Q

Collagen fibres

A

Extracellular proteins occurring as the major component of connective tissue

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8
Q

Elastic fibres

A

A yellowish fibre composed chiefly of elastin and occurring in networks or sheets which give elasticity to tissues in the body

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9
Q

Joint

A
  • Adjacent bones are joined by ligaments and other fibrous tissue.
  • Determines movement
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10
Q

Ligament

A

The fibrous connective tissue that connects bones together

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11
Q

Macroscopic

A

Visible to the naked eye

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12
Q

Microscopic

A

To small to be seen by the naked eye

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13
Q

Tendon

A

Fibrous tissue that connects muscle to bone

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14
Q

Types of muscle

A
  • Cardiac
  • Smooth
  • Skeletal
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15
Q

Cardiac Muscle

A
  • Walls of the heart
  • Involuntary movement
  • Contracts for the pumping action of the heart to move blood through arteries
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16
Q

Smooth Muscle

A
  • Walls of internal organs
  • Involuntary
  • Allows for movement of contents through the tracts
17
Q

Skeletal Muscle

A
  • Attached to bones
  • Voluntary
  • Contraction brings about movement of bones
18
Q

Sarcoplasm

A

Cytoplasm of the muscle cell

19
Q

Muscle fibre

A

Cylindrical shaped muscle cell

20
Q

Myofilament

A
  • Tiny protein units involved in muscle contraction.

- Gives muscle cells there branded appearance

21
Q

Myosin

A

Thick myofilament - protein

22
Q

Actin

A

Thin myofilament - protein

Year 11 - Human Biology (20 decks)

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