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Science-Emer > Chap 8: The Skeletal And Muscular System > Flashcards

Chap 8: The Skeletal And Muscular System Flashcards

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Biology 101 flashcards
1
Q

What are the functions of the skeleton?

A

Support
Protection
Movement

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2
Q

What does the vertebrae protect?

A

The spinal cord

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3
Q

What do the ribs protect?

A

The heart and lungs

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4
Q

What does the skull protect?

A

The brain and the eyes

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5
Q

What is the bone in the upper arm?

A

The humerus

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6
Q

What is the thinner bone in the lower arm?

A

Ulna

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7
Q

What is the thicker bone in the lower arm?

A

The radius

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8
Q

What is the bone in the head?

A

The skull

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9
Q

What is the bone on front of the shoulder?

A

The collar bone

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10
Q

What is the bone behind the shoulder?

A

Shoulder blade

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11
Q

What bone is in front of the lungs?

A

Ribs

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12
Q

What bone is the backbone?

A

The vertebrae

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13
Q

What bone is the hip bone?

A

The pelvis

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14
Q

What bone is in the upper leg?

A

The femur

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15
Q

What is the thicker bone in the leg?

A

Tibia

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16
Q

What is the thinner bone in the lower leg?

A

Fibula

17
Q

What is a joint?

A

Where bones meet

18
Q

Types of joints

A

Fused/fixed

Freely moving / synovial

19
Q

Types of synovial joints

A

Ball and socket eg. Shoulder and hip

Hinge joints eg. Elbow and knee

20
Q

What is the synovial fluid?

A

The liquid part of the joint

21
Q

What is the function of the synovial fluid?

A

Oils the joint

Allows the joint to move freely

22
Q

What is the cartilage?

A

The substance that covers the end of the bone

23
Q

What is the function of the cartilage?

A

Protects the end of the bone

Reduces friction

24
Q

What are muscles made of ?

A

Protein

25
Q

What do muscles attach to?

A

Bone on either side of a joint

26
Q

Function of muscles and joints

A

To allow movement

27
Q

What do tendons connect to?

A

Muscle to bone

28
Q

What do ligaments connect to?

A

Connect bone to bone

29
Q

Antagonistic pair

A

Two muscles which pull in opposite directions eg. Biceps and triceps
Biceps contracts to pull arm up
Triceps contract to pull arm down

Science-Emer (16 decks)

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