B4 Organising Plants and Humans (Blood, Ciruclation, Heart, Lungs) Flashcards

1
Q

Name the cell that carry oxygen.

A

Red blood cells

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2
Q

Name the chemical a certain cell uses to carry oxygen

A

Haemoglobin

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3
Q

When ‘ haemoglobin is full of oxygen, what is it called?

A

Oxyhemoglobin

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4
Q

Do red blood cells have a nucleus?

A

No

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5
Q

Do white blood cells have a nucleus?

A

Yes

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6
Q

What is the job of white cells

A

White cells fight infection

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7
Q

What are antitoxins

A

Antitoxins are chemicals made to destroy poisons made by bacteria

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8
Q

What is the role of platelets?

A

They form blood clots to stop bleeding

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9
Q

How does blood form clots when we are cut?

A

Produce a network of fibres that stop cells flowing out

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10
Q

What is the role of scabs?

A

Scabs stop more bactona getting in the wound

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11
Q

Name 4 substances plasma carries

A

-Nutrients
-hormones
-waste products(CO2, Urea)
-proteins

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12
Q

What are the 4 components of blood?

A

-Plasma
-Red blood cells
-White blood cells
-Platelets

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13
Q

What is plasma in the blood

A

A yellowish liquid that transports blood cells and other dissolved substances

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14
Q

What substances do the plasma transport

A

Red blood cells, white blood cells, platelets, nutrients

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