Respiratory and circulatory system Flashcards

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1
Q

What is circulatory system

A

Organ system that is made up of the heart, blood vessels, and blood

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2
Q

Main function of circulatory system

A

Main function is transportation of hormones, nutrients and wastes

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3
Q

What is blood

A

Type of connective tissue

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4
Q

4 parts of blood

A

Red blood cells
White blood cells
Platelets
plasma

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5
Q

Red blood cells are also known as

A

Erythrocytes

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6
Q

Red blood cells contain a protein called

A

Hemoglobin

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7
Q

White blood cells are also known as

A

Leukocytes

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8
Q

White blood cells function

A

Fight and destroy bacteria and viruses

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9
Q

Platelets are also known as

A

Thrombocytes

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10
Q

Platelets function

A

Cell fragments that help the blood clot, seal wounds and stop bleeding

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11
Q

Plasma description and function

A

Protein rich liquid that carries blood cells, dissolved wastes, and nutrients

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12
Q

How many chambers heart organized in

A

Organized in 4 chambers

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13
Q

What are blood vessels?

A

A network of tubes that carry blood through the body

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14
Q

3 types of blood vessels?

A

Arteries
Veins
Capillaries

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15
Q

What do arteries do?

A

Take blood away from heart

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16
Q

What are capillaries

A

connections between arteries and veins

17
Q

What do veins do

A

Take blood from tissues back to heart

18
Q

Function of the respiratory system

A

Supplies O2 to cells and removes CO2

19
Q

Nasal Cavity Structure?

A

Narrow, hollow passage

20
Q

Nasal Cavity Function?

A

Mucous moistens air
Cilia filter out debris

21
Q

Trachea structure?

A

Windpipe
Surrounded by cartilage rings

22
Q

Trachea function

A

Open passage for air

23
Q

Bronchi structure?

A

Lined with cilia(for filtering)

24
Q

Function

A

Passageway from trachea to each lung

25
Q

Bronchioles Structure

A

Smaller tubes branching off from bronchi

26
Q

Bronchioles function?

A

Branching allows oxygen to reach all parts of lung

27
Q

Alveoli Structure?

A

Tinny, hollow air sacs
In grape-like sacs
Surrounded by capillaries (small blood vessel)

28
Q

Alveoli function?

A

Sit of gas exchange(oxygen and carbon dioxide) between blood and lungs

29
Q

Gas exchange

A

Oxygen passes from blood vessels into alveoli, then is exhaled out

30
Q

Breathing - inhale

A

Diaphragm contracts and moves down
Ribs moves up and out
air is pulled into the lungs

31
Q

Breathing - exhale

A

Carbon dioxide builds up in the blood, signal goes to the brain, the brain sends a message to your lungs to breathe