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Science > Chapter 14 Vocab > Flashcards

Chapter 14 Vocab Flashcards

0
Q

The human body has ___ organ systema

A

11

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1
Q

What r the levels of organization in the body

A
  1. Cell
  2. Tissue
  3. Organ
  4. Organ system
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2
Q

What are names of the 11 organ systems

A
  1. Integumentary
  2. Skeletal
  3. Muscular
  4. Circulatory
  5. Respiratory
  6. Digestive
  7. Excretory
  8. Immune
  9. Reproductive system
  10. Nervous
  11. Endocrine
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3
Q

What directs and controls the process of moving

A

The nervous system

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4
Q

Muscle tissue makes your body _____

A

Move

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5
Q

____ tissue provides support and connects your body

A

Connective

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6
Q

Skeletal system

A

Made up of all your bones; gives support and structure; produces blood cells; stores important minerals; protects your organs

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7
Q

Your skin, hair and nails make up the _________

A

Integumentary system

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8
Q

What system is made up of your muscles

A

Your muscular system

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9
Q

The respiratory system is

A

Your lungs; gives you oxygen

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10
Q

Kidneys

A

Major organs in the excretory system

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11
Q

Which organ system breaks down food?

A

The digestive system

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12
Q

Specialized structures in the kidneys

A

Nephrons

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13
Q

The immune system fights of disease

True
False

A

True

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14
Q

True or False:
The reproductive system does not contain organs that produce sex cells,
They contain chemicals that make sex cells

A

False

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15
Q

The nervous system provides

A 
The 5 senses
Sight
Hearing
Touch
Taste
Smell
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16
Q

_______ is the bodies tendency to keep an internal balance

A

Homeostasis

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17
Q

All the bones in your body =

A

Your skeleton

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18
Q

26 small bones make up the

A

Vertebrea

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19
Q

One of the 26 bones is called

A

Vertebra

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20
Q

What bone is located in the center of the skeleton

A

The backbone/ spinal column

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21
Q

____ allow bones to move in different ways

A

Joints

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22
Q

______ allows for forward and backward motion

A

Hinge joint

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23
Q

The pivot joint allows the greatest range of motion

True
Or
False

A

False

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24
Q

The Ball and Socket joint allows the greatest range of motion

True or false

A

True

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25
Q

_____ allows one bone to rotate around another.

A

Pivot joint

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26
Q

Sliding joint

A

Allows one bone to slide over another

27
Q

Your knee and elbows are _______ joints

A

Hinge

28
Q

What are examples of the Ball and socket joint

A

Shoulder and hips

29
Q

The neck is a pivot joint

True
Or
False

A

True

30
Q

Your ankle and wrist are ________

A

Sliding/ gliding joints

31
Q

The bones in movable joints are held together by

A

Ligements

32
Q

_______ covers the ends of the bones and keeps them from rubbing up against each other

A

Cartilage

33
Q

True or false:

Beneath the outer membrane is a layer of compact bone

A

True

34
Q

Sponge bone is strong but lightweight, but in has many ___________ within it

A

Small holes

35
Q

The two types of marrow

A

Yellow and red

36
Q

Are bones alive

A

Yes they contain cells and tissues

37
Q

How can you take care of your bones?

A

A combination of a balanced diet and regular exercise

38
Q

A condition in which the bodies bones become weak and break easily is called

A

Osteoporosis

39
Q

Involuntary muscles are

A

Muscles that you cannot control

40
Q

Muscles that u can control are called

A

Voluntary muscles

41
Q

The 3 types of muscle tissue

A

Skeletal muscle

Smooth muscle

Cardiac muscle

42
Q

What muscles are connected the the skeleton

A

Skeletal muscles

43
Q

Tendons are weak connective tissue

A

False

44
Q

Smooth muscles look ________ under a microscope

A

Smooth

45
Q

Where are cardiac muscles found?

A

Only in your heart

46
Q

Why do muscles work in pairs??

A

So they only have to work half the time…
One contracts
One relaxes

47
Q

When you use your biceps, your tricep ________

A

Relaxes

48
Q

While one muscle is relaxing,

The other is

A

Contracting

49
Q

Don’t stretch…. You might pull a muscle…

True
Or
False

A

False

Always stretch if helps prevent you from pulling a muscle

50
Q

A push or pull in an object

A

Force

51
Q

Work

A

Exert a force on an object that cause the object to move some distance un the same direction as its force

52
Q

How do you calculate the amount of work done on an object

A

Work = Force • Distance

53
Q

A device that allows you to do work in a way that is much easier or effective

A

Machine

54
Q

A levers mechanical advantage

A

The number of times a lever increases a force exterted on it

55
Q

Effort arm

A

The distance from the fulcrum the effort force

56
Q

Resistance arm

A

The distance from the fulcrum to the resistance force

57
Q

If the fulcrum is is closer to the resistance force it is a

A 
First- class 
Lever
58
Q

False or true:

Fulcrum at the right end is a 
Second-class lever
A

True

59
Q

True or False:

The fulcrum on the right is a third-class lever

A

False

60
Q

A lever with a fulcrum on the right is a _____________

A

Third-class lever

61
Q

Many of the body’s movable joints are actually ________

A

Fulcrums

62
Q 
First-class lever
Examples
A

Your neck

63
Q 
Second-class lever 
Example
A

Ball of your foot

64
Q 
Third-class lever
Example
A

Your elbow
Thigh
Wrist
Shoulder

Science (7 decks)

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