structure of blood Flashcards

1
Q

what is blood composed of

A

plasma (liquid part) and formed elements (non - liquid part)

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2
Q

what makes up 55% of the blood volume

A

plasma

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3
Q

what makes up 45% of the blood volume and what does it include

A

formed elements consisting of erythrocytes (RBS), leucocytes (WBC), and thrombocytes (Platelets)

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4
Q

what is plasma made up of

A

mixture of water and dissolved substances

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5
Q

what is the function of the plasma

A

transport nutrients, hormones, proteins, & gasses throughout the body

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6
Q

what are thrombocytes also known as

A

platelets

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7
Q

where are platelets made and what do they do

A

platelets are small cell fragments that are made in bone marrow and last around 1-10 days, and their function is to clot blood

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8
Q

what are erythrocytes (RBC), where are they formed and what is their function

A

most abundant cell in the blood which don’t contain a nucleus, and is formed in bone marrow transports oxygen from lungs to cells in the body

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9
Q

what is the shape of (RBC) and how long does it live

A

it is a biconcave shape which is flattened in the middle, and it lives for 120 days

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10
Q

what is the protein in (RBC)

A

Haemoglobin which binds to O2 to become oxyhemoglobin

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11
Q

what are leucocytes (WBC)

A

white blood cells that help to fight infection in the body and make up 1% of the blood

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12
Q

what are the different kinds of leucocytes

A

Neutrophils, Monocyte, Lymphocytes, Basophil, Eosinophil

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13
Q

it is a leucocytes

What are neutrophils and what do they do

A

they use enzymes to digest pathogens

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14
Q

it is a leucocytes

what are monocytes and what do they do

A

engulf and destroy pathogens and waste cells by phagocytosis to prevent infection

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15
Q

is it a leucocyte

What are lymphocytes and what do they do

A

involved in imune response and use T lymphocytes and B lymphocytes

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16
Q

it is a leucocyte

What is basophil and what does it do

A

responsible for allergic reactions, producing histamine and heparin to defend the body against bacteria

17
Q

What is eosimophil and what does it do

A

major roll in killing paracytes by releasing toxic proteins