Tissues, Organs And Organ System Flashcards

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1
Q

What happens during the develop of multicellular organism?

A

Cells differentiate so that they can perform different functions

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2
Q

What are tissues?

A

They are a group of cells with similar structure and function

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3
Q

Give examples of tissues

A

Muscular tissues-which can contract to bring about movement

Glandular tissues-which can produce substances such as enzymes and hormones

Epithelial tissue-which covers some parts of the body

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4
Q

What are organs?

A

They are made of tissues. One organ may contain several tissues

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5
Q

Give an example of an organ

A

The stomach

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6
Q

What tissues does the stomach organ contain?

A

Muscular tissue-to churn the contents

Glandular tissue-to produce digestive juices

Epithelial tissue-to cover the outside and the inside of the stomach

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7
Q

What is an organ system?

A

They are groups of organs that perform a particular function. The digestive system is one example of a system in which human and other mammals exchange substances with the environment

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8
Q

Give an example of an organ system

A

The digestive system

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9
Q

What does the digestive system include?

A

Glands-such as the pancreas and salivary glands, which produce digestive juices
The stomach and small intestine, where digestion occurs
The liver, which produces bile
The small intestine, where the absorption of soluble food occurs
The large intestine, where water is absorbed from the Ü digested food, producing faeces

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10
Q

What are the organs in a plant?

A

Stem
Roots
Leaves

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11
Q

What are some plant tissues?

A

Epidermal tissues, which cover the plant
Mesophyll, which carries out photosynthesis
Xylem and phloem, which transports substances around the plant

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12
Q

What do large multicellular organisms do?

A

They develop systems for exchanging materials

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