2.2 Tissues, Organs and Organ Systems Flashcards

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1
Q

What is differentiation?

A

When a cell become specialised for a particular job

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2
Q

When does differentiation occur?

A

During the development of a multicellular organism

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3
Q

What is a tissue?

A

A group of similar cells that work together to carry out a function

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4
Q

Give some examples of tissues (3)

A
  • Muscular tissue - Contracts and relaxes to bring about movement
  • Glandular tissue - Makes and secretes chemicals such as enzymes and hormones
  • Epithelial tissue - Covers parts of the body
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5
Q

What is an organ?

A

A group of tissues that work together to perform a certain function

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6
Q

What tissues are used in the stomach and for what purpose? (3)

A
  • Muscular tissue - to churn the contents
  • Glandular tissue - to produce digestive juices
  • Epithelial tissue - To cover the outside and inside of the stomach
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7
Q

What is an organ system?

A

A group of organs working together to perform a particular function

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8
Q

What organs are used in the digestive system and what are they used for? (6)

A
  • Glands - produce digestive juices
  • Stomach - digests food
  • Liver - Produces bile
  • Small intestine - digests food, absorbs soluble food molecules
  • Large intestine - absorbs water, produces faeces
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9
Q

Give some examples of plant organs (3)

A
  • Stem
  • Roots
  • Leaves
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10
Q

Give some examples of plant tissues and their functions (3)

A
  • Epidermal tissues - covers the plant
  • Mesophyll, carries out photosynthesis
  • Xylem and phloem - Transports substances around the plant
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11
Q
A
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