Respiratory and circulatory system Flashcards

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
Bronchioles Structure
Smaller tubes branching off from bronchi
26
Bronchioles function?
Branching allows oxygen to reach all parts of lung
27
Alveoli Structure?
Tinny, hollow air sacs In grape-like sacs Surrounded by capillaries (small blood vessel)
28
Alveoli function?
Sit of gas exchange(oxygen and carbon dioxide) between blood and lungs
29
Gas exchange
Oxygen passes from blood vessels into alveoli, then is exhaled out
30
Breathing - inhale
Diaphragm contracts and moves down Ribs moves up and out air is pulled into the lungs
31
Breathing - exhale
Carbon dioxide builds up in the blood, signal goes to the brain, the brain sends a message to your lungs to breathe