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Science > Chapter 1 - Cells > Flashcards

Chapter 1 - Cells Flashcards

1
Q

What is a cell membrane?

A

A cell membrane controls what goes in and out of the cell.

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2
Q

What is a cytoplasm?

A

A cytoplasm is where all of the cell activity happens.

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3
Q

What is mitochondria?

A

Mitochondria releases the energy.

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4
Q

What is chloroplast?

A

Contains chlorophyll- where photosynthesis happens.

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6
Q

What is a vacuole?

A

The vacuole contains fluid within the cytoplasm.

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7
Q

What is a cell wall?

A

A cell wall surrounds the cell membrane.

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8
Q

Name 3 different cells.

A
  • red blood cell
  • egg cell
  • muscle cell
  • speed cell
  • root haïr cell
  • palisade cell
  • ciliated cell
  • nerve cell
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9
Q

Name 3 organs.

A
  • brain
  • lungs
  • heart
  • kidney
  • stomach
  • liver
  • small intestine
  • big intestine
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10
Q

What system controls respiration?

A

The respiratory system

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11
Q

What system controls sensitivity?

A

Nervous system

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12
Q

What system controls growth?

A

Digestive system

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13
Q

What system controls reproduction?

A

Reproductive system

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14
Q

What system/s controls excretion?

A

Digestive, urinary and respiratory systems

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15
Q

What system controls nutrition?

A

Digestive system

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17
Q

What is the function of a musculo-skeletal system?

A

This includes bones and joints and has muscles attached to allow us to move.

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18
Q

What is the function of the excretory system?

A

This is how the body removes waste. It is filtered from the blood by the kidneys and passes out as urine.

19
Q

What is the function of the digestive system?

A

This is where the food is broken down and digested. It is then absorbed into the bloodstream.

20
Q

What is the function of the nervous system?

A

This includes the brain and nerves in our body that lets us sense things and react to them.

21
Q

Why is the function of the circulatory system?

A

This is where blood is transported around the body. It includes the heart that pumps the blood.

22
Q

What is the function of the reproductive system?

A

This is how we produce young. Females produce eggs and males produce sperm to fertilise the egg.

23
Q

What is the function of the respiratory system?

A

This is where air enters the lungs and oxygen is taken in while carbon dioxide is removed as we breathe out.

24
Q

What is the function of the endocrine system?

A

This system releases special hormones. They help control the body in many ways.

25
Q

Name 3 systems in the body.

A
  • muscular-skeletal system
  • excretory system
  • digestive system
  • nervous system
  • circulatory system
  • reproductive system
  • respiratory system
  • endocrine system
28
Q

What is a nucleus?

A

A nucleus contains DNA and controls the cells activity

31
Q

What system controls movement?

A

Muscle and skeletal system

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