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Biology - s2 Structure and Functions in living organisms > 2h Transport > Flashcards

2h Transport Flashcards

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1
Q

What are the main functions of the blood?

A

1) Transports oxygen and nutrients around the body eg. amino acids
2) Distributes heat energy around the body
3) Part of the immune system to defend against disease
4) To seal cuts to protect against infection

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1
Q

What are the 4 components of the blood?

A

red blood cells, white blood cells, platelets and plasma

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2
Q

What is plasma

A

Plasma is the straw coloured liquid part of the blood which carries cells and dissolved substances and also helps distribute heat energy

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3
Q

What substances does plasma transports?

A

ATP
Oxygen
Water
CO2
Hormones
Platelets
Red blood cells
White blood cells
Waste eg. urea
Nutrients eg. amino acids and glucose

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4
Q

Where is food (glucose, amino acids) carried from and carried into the blood to?

A

Carried from villi (small intestine)
Carried in the blood to all parts of the body

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5
Q

Where is water carried from and carried into the blood to?

A

Carried from large intestine
Carried in the blood all around the body

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6
Q

Where is oxygen carried from and carried into the blood to?

A

Carried from the lungs (alveoli)
Carried in the blood all around the body

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7
Q

Where is carbon dioxide carried from and carried into the blood to?

A

Carried from all parts of the body
Carried in the blood to the lungs (alveoli)

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8
Q

Where is urea (waste) carried from and carried into the blood to?

A

Carried from the liver
Carried in the blood to the kidneys

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9
Q

Where is kidneys carried from and carried into the blood to?

A

Carried from the glands
Carried in the blood all around the body to the different target organs affected by the different organs

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10
Q

Where does blood plasma transport heat away from?

A

Blood plasma transports heat away from cells that are respiring rapidly, such as exercising muscle cells, and prevents then from overheating.

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11
Q

Where does blood plasma transport heat to?

A

Blood plasma transports heat to the environment by increasing the diameter of blood vessels in the skin where respiration takes place slowly

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12
Q

What is the core temperature?

A

The internal temperature of the body, about 37C, necessary for life processes to go on effectively

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13
Q

What percentage of plasma, white blood cells and red blood cells are in the body?

A

Plasma - 55%
Red Blood Cells - 45%
White Blood Cells - >1%

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Biology - s2 Structure and Functions in living organisms (10 decks)

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