Organs Flashcards

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1
Q

What is differentiation?

A

The process by which cells become specialised for a particular function

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2
Q

When does differentiation occur?

A

During development of multicellular organisms

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3
Q

What order?

Tissues, Organ Systems, Cells, Organs

A

Cells, Tissues, Organs, Organ System

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4
Q

Why do large multicellular organisms have different systems?

A

Exchange and transport materials

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5
Q

What is a tissue?

A

Group of similar cells that work together to carry out a particular function

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6
Q

What are 3 tissue types?

A

Muscular
Glandular
Epithelial

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7
Q

What do muscular tissues do?

A

Contracts - for movement

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8
Q

What do glandular tissues do?

A

Make and secrete chemicals (enzymes and hormones)

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9
Q

What do epithelial tissues do?

A

Cover some parts of body (they’re inside the gut)

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10
Q

What is an organ?

A

Group of different tissues, that work together to perform a certain function (such as a stomach)

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11
Q

What role does muscular tissue have in the stomach?

A

Moves stomach wall to churn up the food

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12
Q

What role does glandular tissue have in the stomach?

A

Makes digestive juices to digest food

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13
Q

What role does epithelial tissue have in the stomach?

A

Covers outside and inside of the stomach

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14
Q

What is an organ system?

A

A group of organs working together to perform a particular function (such as the digestive system)

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15
Q

How does the digestive system exchange materials with the environment?

A

Taking in nutrients and releasing substances (like bile)

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16
Q

What organs are in the digestive system?

A

Salivary glands, Liver, Stomach, Pancreas, Small intestine, Large intestine

17
Q

What organs, in the digestive system, are glands?

A

Pancreas and Salivary glands

18
Q

What does the pancreas and salivary glands do?

A

Produce digestive juices

19
Q

What does the stomach do?

A

Digest food

21
Q

What does the liver do?

A

Produces bile

22
Q

What does the small intestine do?

A

Digestive food, absorbing soluble food molecules

23
Q

What are 3 organs are in plants?

A

Stems, Roots and Leaves

24
Q

What are 3 tissues in leaves?

A

Mesophyll tissue
Xylem and Phloem
Epidermal tissue

25
Q

What is mesophyll tissue?

A

Tissue where photosynthesis occurs

26
Q

What is Xylem and Phloem?

A

Tissue that transports water, mineral ions and sucrose around the plant

27
Q

What is epidermal tissue?

A

Tissue that covers the whole plant

28
Q

What does the large intestine do?

A

Absorbs water from undigested food, leaving food