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CAR2024 > Cardio 1 > Flashcards

Cardio 1 Flashcards

1
Q

Blood function

A

Transports
Fights infection
Clots
Regulates body temperature

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2
Q

Comp blood

A

It is composed of 55% plasma and 45% cells

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3
Q

What is blood

A

A fluid connective tissue made up of plasma and cells.

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4
Q

What is blood temp

A

Blood temperature is around 38° C

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5
Q

What is blood ph

A

Blood ph is 7.4 (slightly alkaline)

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6
Q

Volume of blood in humans

A

Total volume in the body men 5 – 6 litres women 4 – 5 litres

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7
Q

Whats does blood transport

A

transports oxygen, nutrients, hormones and enzymes around the body.

transports carbon dioxide and waste materials from the body to the organs of excretion.

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8
Q

How do blood fight infection

A

helps fight infection (with leucocytes and antibodies

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9
Q

What is plasma?

A

Straw coloured Fluid
Mostly water (90-92%)
Plasma proteins

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10
Q

Fuction plasma?

A

Helps transport: Mineral salts – Nutrients – Waste – Hormones – Enzymes – Gases - Antibodies

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11
Q

Red Blood Cells – Erythrocytes
blood cells function

A

Function – Transports oxygen as oxyhaemoglobin

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12
Q

Life span of Red Blood Cells

A

120 days

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13
Q

Where are red blood cells broken down

A

spleen

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14
Q

White blood cells or Leucocytes

A

Function – to protect the body from infection
Numbers increase when infection is present

Can pass through capillary walls into tissue

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15
Q

Red blood cells are formed?

A

Red blood cells are formed in the red bone marrow of bones.

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16
Q

White blood cells are formed?

A

Produced in bone marrow white tissue

17
Q

THROMBOCYTES/Platelets

A

Function – Blood clotting

18
Q

THROMBOCYTES/Platelets cells are formed?

A

Produced in bone marrow

19
Q

Location of the heart

A

The heart lies in the thoracic cavity between the lungs.

20
Q

Divided into 4 chambers

A

the right and left atria above and the right and left ventricles below.

21
Q

Left hand side of the heart

A

receives oxygenated blood from the lungs and sends it to the Aorta, the main artery.

22
Q

Right hand side of the heart

A

deals with deoxygenated blood from the body and sends it to the lungs.

23
Q

The septum

A

a muscular wall, separates the right and left sides of the heart

24
Q

three layers of heart

A

Divided into 3 layers:
Endocardium – Inner layer
Myocardium – Middle layer (MYO latin for muscle)
Pericardium – Outer layer

25
Q

Latin for muscle

A

myo

26
Q

Tri-cuspid valve

A

divides right atria from right ventricle chamber

27
Q

BiCuspid / mitral valve

A

divides left atria & left ventricle chambers

28
Q

Right side CO2 blood supply:

A

superior & inferior vena cava & 2 pulmonary arteries

29
Q

Left side O2 blood supply

A

4 pulmonary veins & aorta

30
Q
A

CAR2024 (5 decks)

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