4.2.2.3 blood Flashcards

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1
Q

What type of cells control the heart rate in the right atrium

A

Pacemaker cells

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2
Q

Blood is a tissue consisting of..

A

Plasma, in which the red blood cells, white blood cells and platelets are suspended.

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3
Q

What are platelets

A

They produce clots which reduce the amount of blood being bled from a wound.

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4
Q

Name the four types of cell within blood

A

Plasma, platelet, red and white blood cells

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5
Q

State characteristics of red blood cells

A

They carry oxygen
They have no nucleus
Hemoglobin - in red blood cells that transport oxygen to tissue.

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6
Q

State characteristics of plasma

A

Watery fluid in which holds all the components within a blood flow.
Transports cells, carbon dioxide, hormones and excretion.

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7
Q

State characteristics of platelets

A
  • form cells
    -form blood clots to reduce bleeding around wounds
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8
Q

State characteristics of white blood cells

A

-apart of the immune system
-produces antibodies to fight off infection
-they detect common disease and prevent it from entering the body.

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9
Q

What is lumen

A

The central cavity of a tubular or other hollow structure in an organism or cell.

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10
Q

What is hemoglobin

A

A red protein responsible for transporting oxygen in the blood of vertebrates. It’s molecule comprises four subunits, each containing an iron atom bound to a haem group.

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11
Q
A
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