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Biology 2 > Specialised tissue > Flashcards

Specialised tissue Flashcards

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1
Q

What is epithelial tissue used for?

A

It is used as lining

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2
Q

How is epithelium tissue adapted for its function?

A

No blood vessels, diffuses all its nutrients from the connective tissue fluid
Short cell cycle, renewed 2/3 times daily to renew damages cells

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3
Q

Where is epithelial tissue used?

A 
Free surfaces like:
Skin
Gut
Airways
Blood vessels
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4
Q

What is cartilage used for?

A

The extracellular matrix provides strength for the cell

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5
Q

Where is cartilage used?

A

Skeleton
Larynx
Nose
Ear

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6
Q

What is hyaline cartilage?

A

Makes the embryonic skeleton
Covers the end of long bones in adults
Joins ribs to the sternum

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7
Q

What is fibrous cartilage?

A

Occurs in discs between the spines vertebrae and knee joints

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8
Q

What is elastic cartilage?

A

Makes up the outer ear and epiglottis

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9
Q

What is muscle tissue used for?

A

Movement

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10
Q

Where is smooth muscle tissue used?

A

Walls of intestine, uterus and trachea

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11
Q

How is muscle tissue adapted for its function?

A

Special type of protein filaments to allow for contraction
Strong cytoskeleton for movement
Long and fibrous

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12
Q

What is skeletal muscle?

A

Causes the bone to move when it contracts

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13
Q

What is smooth muscle used for?

A

Controls movement of internal organs

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14
Q

What is epidermal tissue used for?

A

Protective cover

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15
Q

Where is epidermal tissue used?

A

Over leaves, stems and roots

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16
Q

How is epidermal tissue adapted for its function?

A

Is flattened cells
No chloroplast
Some are impregnated with a waxy cuticle, reducing water loss in dry places

17
Q

What are xylem tissue used for?

A

Carry water and minerals to the plants from the roots

18
Q

What are phloem tissue used for?

A

Transport compounds for photosynthesis around the plant

19
Q

How is xylem tissue adapted for its function?

A

Lignin is deposited in their cells to reinforce and waterproof them but they die in the process
The end of the cell breaks down so they form continuous columns and a wide lumen
Cell wall is thicker

20
Q

How is phloem tissue adapted for its function?

A

Sieve tubes lose most of their organelles and a sieve plate forms between them
Companion cells retain their organelles and provide ATP for active loading of sugars into sieve tubes

21
Q

What are meristematic tissue used for?

A

Region responsible for growth and replication of plant cells

22
Q

How is meristematic tissue adapted for its function?

A

Thin walls with very little cellulose
No chloroplast or vacuole
Can divide by mitosis and differentiate into other types of cells

Biology 2 (31 decks)

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