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BIO THINGS I DK AND NEW STUFF > Transpora > Flashcards

Transpora Flashcards

(23 cards)

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1
Q

Single circulatory

A

Blood pass through heart once

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2
Q

Dis/advantages of single circulation

A

Low pressure- prevent damage to Gill capillaries
Flow rate -slow unable to supply blood in large quantities

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3
Q

Why is a single circulation system not a problem for fish

A

Not so metabolically active
Less energy Less oxygen for respiration

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4
Q

Double circulatory system

A

Blood passes through the heart twice

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5
Q

Advantages of double circulatory

A

Low pressure - pulmonary protect thin capillaries walls
High pressure - supply oxygen quicker

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6
Q

Open circulatory system

A

Insects
Blood doesn’t flow in vessels

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7
Q

Blood flow in insects

A

Tubular heart on Dostal surface pumps blood to head
Blood pumped via peristaltic movement from heart contractons
Blood floes into body cavity
Exchange nutrients wit tissue s

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8
Q

Disadvantages of open

A

Low pressure- sloe blood flow
Lack of movement affect blood flow

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9
Q

Open system vs closed system
Pressure

A

Low vs high

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10
Q

Open system vs closed system
Blood flow

A

Slow vs quick

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11
Q

Open system vs closed system
Nutrient distribution

A

Slow vs quick ( more nutrients if demand increases)

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12
Q

Open system vs closed system
Movement of body

A

Dependent vs independent ( supply maintained)

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13
Q

Open system vs closed system
Removal of waste

A

Slow vs rapid ( prevent build up of toxic waste)

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14
Q

Closed

A

Blood flows in vessels

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15
Q

Why us transport need for animals

A

Large
More metabolic
Smaller surface : ratio
More glucose / O2 needed for aerobics
Meet demand

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16
Q

Arteries inner layer

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A

Thin layer of elastic tissue
Stretch and recoil to maintain blood pressure

17
Q

Arteries middle layer

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A

Smooth muscle
Contract to narrow lumen for high pressure of blood flow

18
Q

Arteries outer layer

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A

Collagen
Protects blood vessel from damage due to high pressure

19
Q

Arterieoles

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A

Btw arteries and capillaries
Smooth muscle-contracts to reduce blood flow
Constricts -divert blood to other regions
Less elastic fibres

20
Q

Capillaries

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A

Thin walls
Narrow lumen- reduce diffusion

21
Q

Veins

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A

Valves
Thin collagen elastic and smooth muscle
Large lumen

22
Q

Venlues

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A

Capillaries and veins
Little elastic and muscle fibers

23
Q

1
2
3
4
5

Study These Flashcards
A

Lumen
Endothelium
Elastic tissue
Smooth tissue
Cartilage

BIO THINGS I DK AND NEW STUFF (5 decks)

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