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Biology > Blood And Components > Flashcards

Blood And Components Flashcards

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1
Q

What does blood do

A

Transport materials and heat around the body

Protect against the disease

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2
Q

What are the components of the blood

A

Water

Erythrocytes- red blood cells

Leukocytes- white blood cells

Plasma- most of the blood

Platelets

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3
Q

What is the structure of the red blood cells

A

Small

Round

Biconcave (two round sides with dipped middle, allows to squeeze together and move)- surface area increase, absorb more oxygen

Fold- fit through smaller vessels.

Flexible- fit through narrow blood vessels

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4
Q

What is the function of the red blood cells

A

Deliver oxygen to cells

Carries carbon dioxide and waste gases to the lungs where it is excreted

Contains haemoglobin- absorbs ion and make more blood cells

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5
Q

What is the structure of white blood cells (leukocytes)

A

Lobed and large nuclei

Many structures- countless, round, larger

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6
Q

What is the function of the white blood cells

A

Defend body against infection and disease

B lymphocytes make antibodies

T lymphocytes initiate an immune response

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7
Q

What is the structure of the platelets

A

Parts of cells with proteins attached

Proteins stick together when needed to clot

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8
Q

What is the function of platelets

A

Help repair- illness, injury and bleeding

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9
Q

What is the structure of the plasma

A

Straw coloured

Clear

Pale

Fluid

Largest single component

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10
Q

What is the function of the plasma

A

Helps with immunity, blood clotting, maintains blood pressure

Material transport- hormones, carbon dioxide and waste

Makes up 55% of blood

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11
Q

What is the function of b lymphocytes

A

Produce antibodies

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12
Q

What is the function of t lymphocytes

A

Initiate immune response

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13
Q

What is the structure of monocytes

A

Make around 2-8% of total white blood cells

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14
Q

What is the function of monocytes

A

Fight off chronic illnesses

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15
Q

What is the structure of eosinophils

A

Granulocytes

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16
Q

What is the function of the eosinophils

A

Respond to infections caused by parasites

Inflammatory response

Role in immune response

17
Q

What is the structure of basophils

A

Granulocytes

Represent less than 1% of white blood cells

18
Q

What is the function of the basophils

A

Present in increased numbers after allergic reaction

19
Q

What is the structure of neutrophils

A

Granulocytes

Represent majority of white blood cells

20
Q

What is the function of the neutrophils

A

Help destroy bacteria and fungi

21
Q

What are leukocytes

A

White blood cells

Biology (34 decks)

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