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Biology Paper 1: Chapter 4 - Organising Animals And Plants > The Blood > Flashcards

The Blood Flashcards

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1
Q

Multicellular Organisms with a Small Surface Area to Volume Ratio Often have ______________ Transport Systems. The Human ______________ System Consists of Blood, the Blood Vessels and the Heart.

A

Specialised…Circulatory…

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2
Q

Your Blood is a Unique Tissue, Based on a Liquid Called ________.

A

Plasma.

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3
Q

Plasma Carries Red Blood Cells, White Blood Cells, and ___________ Suspended in it. It also Carries Many Dissolved Substances Around the ________.

A

Platelets…Body…

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4
Q

Your Blood Plasma is a _________ Liquid.

A

Yellow.

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5
Q

The _________ Transports All of your Blood Cells and Some Other ______________ Around the Body.

A

Plasma…Substances…

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6
Q

Waste Carbon Dioxide Produced by the Cells is Carried to the _______.

A

Lungs.

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7
Q

Urea Formed in the Liver from the Breakdown of Excess ___________ is Carried to the Kidneys where it’s Removed From the Blood to Form _________.

A

Proteins…Urine…

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8
Q

Small Soluble Products of Digestion Pass into the Plasma From the ________ Intestine and are ______________ to Individual Cells.

A

Small…Transported…

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9
Q

Red Blood Cells Pick Up _________ From the Air in the _______ and Carry it to the Cells where it’s Needed.

A

Oxygen…Lungs…

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10
Q

Red Blood Cells Adaptations?

A
  • They’re Biconcave Discs. Being Concave (Pushed in) on Both Sides Gives Them an Increased Surface Area to Volume Ratio for Diffusion.
  • They’re Packed with a Red Pigment Called Haemoglobin that Binds to Oxygen.
  • They have no Nucleus, Making More Space for Haemoglobin.
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11
Q

White Blood Cells are Much __________ than Red Blood Cells and there are ________ of Them.

A

Bigger…Fewer…

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12
Q

White Blood Cells have a Nucleus and Form Part of the Body’s ___________ System Against Harmful ___________________.

A

Defence…Microorganisms…

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13
Q

Some White Blood Cells (Lymphocytes) Form ______________ Against Microorganisms.

A

Antibodies.

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14
Q

Some White Blood Cells Form _____________ Against Poisons Made by Microorganisms. Yet Other (______________) Engulf and Digest Invading Bacteria and Viruses.

A

Antitoxins…Phagocytes…

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15
Q

Platelets are Small _____________ of Cells. They have No ___________.

A

Fragments…Nucleus…

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16
Q

Blood Clotting is a Series of Enzyme-Controlled Reactions that Result in ______________ Fibrinogen into Fibrin. This Produces a Network of Protein Fibres that Capture Lots of Red _______ Cells and More Platelets to Form a Jelly-Like Clot that Stops you From Bleeding to ________.

A

Converting…Blood…Death…

Biology Paper 1: Chapter 4 - Organising Animals And Plants (9 decks)

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