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Unit 5 Circulatory System > Circulatory System > Flashcards

Circulatory System Flashcards

1
Q

What is circulatory system?

A

Transports Oxygen,water,food throughout the body and carried waste and urea away

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2
Q

What is consist of in the circulatory system?

A

Heart
Blood
Blood Vessel (Veins, Capillaries, Arteries)

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3
Q

Whats is another word for Red Blood Cell

A

Erythrocytes

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4
Q

Whats the function of blood?

A

Maintain homeostasis it regulates body temperature, ph and electrolytes

Transport food, oxygen and water throughout the body and get rid of waste and urea away from cells

Immunity and defence, fight off foreign objects from entering the body system

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5
Q

What are the 3 types of blood cells?

A

White blood cell

Red Blood cell

Platelets

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6
Q

What does Red Blood Cell do?

A

They transport oxygen into body cell

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7
Q

What does white blood cell do?

A

They are known for fighting foreign organism that enters the body

And also called Leukocytes

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8
Q

What does platelets do?

A

Stop bleeding , by clumping and clotting blood vessel injuries

Another word for platelets thrombocytes

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9
Q

How does the blood flow?

A

Arteries > Arterioles > Capillaries > Venules > Veins

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10
Q

What does Arteries do? 3 points

A

Carry oxygenated blood away from the heart to the capillaries

Arteries have strong walls to support when blood enters under high pressure

The Arteries wall have 3 layers thick and resilient

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11
Q

What does Pulmonary Arteries do?

A

Carries deoxygenated blood from the heart into the lungs

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12
Q

What does capillaries do?

A

It allows the exchange of nutrients, oxygen and waste and gases with the tissue across the thin lines

Arterioles branch into capillaries

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13
Q

What is a heart and how does it work?

A

It pumps the blood throughout the body

RIGHT Ventricle (RV) transport deoxygenated blood to the lungs by Pulmonary Arteries

Oxygenated blood transported from the Lungs to the LEFT Atrium (LA) to the LEFT Ventricle (LV)

LEFT Ventricle (LV) transport Oxygenated blood throughout the body by Aorta( BIG arteries)

Vein (VENA CAVA) transport Deoxygenated blood from the body to the RIGHT Atrium (RA) to the RIGHT Ventricle (RV)

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14
Q

What is pulmonary Vein?

A

It transport Blood that is rich with oxygen to the LEFT Atrium(LA)

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15
Q

What does coronary circulation refers?

A

movement of blood through the tissues of the heart. They transport oxygen to the cardiac muscle

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16
Q

What does Lymphatic system do?

A

They transport lymph, a colourless fluid containing white blood cell to get rid of body toxins

17
Q

What is blood pressure and pulse?

A

Pressure that the blood exerts against the inner walls of the blood vessels and it’s usually the highest in Arteries as it could be due exercising

18
Q

What is Hypotension? ( Low

Blood pressure)

A

The blood is unable to bring oxygen and nutrients to the body cells and removes the waste properly therefore the cell may die

19
Q

What is Hypertension? ( High blood pressure)

A

Its when Systolic blood pressure reaches 140bpm, and Diastolic blood pressure is more then 90bpm

Could be due to coronary heart disease

20
Q

What are the factors affecting blood pressure ? 9 points

A 
Age
Body weight
Diet
Exercise 
Use of drugs and medication 
Temperature 
Time of day 
Emotional state
Body position
21
Q

What is pulse and how does it work?

A

Its a pressure wave created

Pulse average 70-76 beats per minute for a person that is resting

22
Q

How does distribution of blood work?

A

Blood is distributed throughout the body, but it is based on the needs of the tissue with the most active tissue receiving the most blood

23
Q

What are the effects of exercising on the circulatory system?

A

Make our cardiovascular stronger

24
Q

What are the short terms effects of exercising?

A

Release of adrenaline

Blood pressure increase leading to increase flow rate and speed of oxygen delivery and nutrients to the working muscle

25
Q

What are the long terms effects for exercising?

A

Lactic acid is lower due to being used to the exercises

Hypertrophies which will make the wall thicker

26
Q

What is a heart rate and how does it work?

A

Its one of our vital signs as it refers to the number of times the heart contracts or bpm

60-100 bmp normal

Unit 5 Circulatory System (1 decks)

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