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Biology Exam 3 > Blood > Flashcards

Blood Flashcards

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1
Q

Component of blood plasma

A

Water,
Plasma proteins
Solutes (nutrients such as glucose and excretory substance urea and respiratory gas)
Hormone and enzyme

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2
Q

Water function

A

Blood plasma is 90% water
medium of transportation and acts as a solvent.

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3
Q

Plasma protein types and function

A

Fibrinogen - blood clotting
Albumin - Control osmotic pressure
Globulin - antibody defence of body

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4
Q

Hormone function

A

Control physiological activities in the body

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5
Q

Enzyme function

A

metabolic process of cells

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6
Q

Type of blood cells

A

Erythrocyte (Red blood cell)
Platelet
Leucocyte (White blood cell)

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7
Q

Shape of erythrocyte

A

biconcave disc

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8
Q

Does erythrocyte have nucleus and why

A

No so that more haemogoblin can be loaded into it

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9
Q

Where is erythrocyte produced

A

bone marrow

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10
Q

lifespan of erythrocyte

A

120 days

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11
Q

How is dead erythrocyte disposed

A

in liver or lymph via phagocytosis

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12
Q

Function of erythrocyte

A

Haemogoblin combines with oxygen to produce oxyhaemogoblin which is transported to tissues and cells to be released in the form of oxygen.

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13
Q

What is platelets made out of

A

Fragments or scraps of cell cytoplasm that originate from bone marrow

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14
Q

Function of platelets

A

Involved in blood clotting process

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15
Q

What atom in haemogoblin becomes the binding site for Oxygen

A

iron

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16
Q

Advantages and disadvantages of nucleated red blood cells

A

Nucleated red blood cells are less efficient at transporting oxygen due to reduced space to fit haemogoblin but they can undergo mitosis and reproduce

17
Q

Leucocyte characteristics

A

Irregular and unfixed shape contains nucleus
Does not contain haemoglobin
Produced in the bone marrow
Life span is less than five days

18
Q

Leucocyte function

A

Diffuse out of the capillary pore and fight pathogens in
tissue fluids.

19
Q

Types of leucocytes and what defines them

A

Granulocytes (Contains granules)
Agranulocytes (No granules)

20
Q

Types of granulocytes

A

Neutrophil
Eosinophil
basophil

21
Q

Neutrophil characteristic and function

A

Nucleus is made up of two to five lobes.
phagocytosis

22
Q

Eosinophil

A

The nucleus is made up of wo lobes.
Releases enzymes that fight inflammation and allergy reaction

23
Q

Basophil

A

Nucleus is made up of 2 lobes (Barely visible)
Lowest amount in the blood
Contains heparin to prevent blood clotting

24
Q

Types of agronulocyte

A

Lymphocyte
Monocyte

25
Q

Lymphocyte characteristic and function

A

large nucleus with very little cytoplasm
Produce antibodies and anti toxins

26
Q

Monocyte

A

Biggest leucocyte
Spherical nucleus
Phagocytosis

Biology Exam 3 (9 decks)

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