Animal Transport UNIT 2 Flashcards

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1
Q

What does plasma do?

A

Carries dissolved food from small intestine to body cells

•also carries Co2 from body cells back to lungs

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2
Q

What combines w/ haemoglobin to become oxyhemoglobin?

A

Oxygen

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3
Q

At body cells what happened to the oxyhaemoglobin?

A

Releases its oxygen to become haemoglobin again

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4
Q

What diffuse from the BLOOD CAPILLARIES to the CELLS

A

Oxygen and glucose

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5
Q

What diffuse from the CELLS to the BLOOD CAPILLARIES

A

CO2 and waste

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6
Q

What does a capillary network have?

A

Large surface area

Lining is one cell thick (to allow rapid diffusion)

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7
Q

How many valves does the heart have?

A

4

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8
Q

What do the valves do?

A

Ensures that the blood flows in one direction only through the heart

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9
Q

What side carries the oxygenated blood of the heart?

A

Left side

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10
Q

Which side carries DE oxygenated blood in the heart?

A

Right

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11
Q

Pathway of blood starting from aorta?

A

Aorta-lungs-vena cava-right atrium-right ventricle- pulmonary artery- lungs-pulmonary vein- left atrium-left ventricle-aorta

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12
Q

What is the function of the artery?

A

To carry the blood AWAY from the heart

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13
Q

What features does the artery have?

A
  • thick muscular wall
  • narrow channel
  • carry blood under HIGH pressure
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14
Q

What is the function of the capillary?

A

Exchange of materials.

Capillaries form networks at organs and tissues

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15
Q

What is the feature of the capillary?

A

1 cell thick (walls)

•large surface area

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16
Q

What is the function of the vein?

A

Return blood BACK to the heart

17
Q

What’s the features of the vein?

A

Thin muscular wall
•wide Channel
•carry blood under LOW pressure
•CONTAINS VALVES TO PREVENT BACKFLOW

18
Q

What does blood consist of?

A

Red and white cells carried in a liquid called plasma