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Science 9 > Circulatory System > Flashcards

Circulatory System Flashcards

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1
Q

The system in the body that transports nutrients or substances

A

Circulatory System

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2
Q

Two types of Circulatory Systems

A

Open Circulatory System & Closed Circulatory System

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3
Q

Which type of Circulatory System is this?
- Blood is contained within blood vessels
- Applies to mammals (including humans), fish, birds, reptiles, and amphibians
- Cardiovascular System

A

Closed

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4
Q

Which type of Circulatory System is this?
- No blood vessels
- Flows into open sinuses surrounding internal organs

A

Open

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5
Q

Parts of the Cardiovascular System

A
  1. Blood
  2. Blood Vessels
  3. Heart
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6
Q

Purpose of Blood

A
  • Regulates body temperature
  • Fights against diseases
  • Carries nutrients and waste to/from different parts of the body
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7
Q

What are the 3 Formed Elements?

A
  1. Red Blood Cells
  2. White Blood Cells
  3. Platelets
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8
Q

Red Blood Cells are also called…

A

Erythrocyte

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9
Q

Function of RBCs

A
  • Deliver oxygen
  • Carry nutrients & carbon dioxide
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10
Q

What element gives RBCs their red color?

A

Iron

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11
Q

Oxygen-carrying blood is called..

A

Oxygenated blood, and it is brighter in color

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12
Q

Carbon-dioxide carrying blood is called…

A

Deoxygenated blood, and it is darker in color

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13
Q

White Blood Cells are also called…

A

Leukocyte

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14
Q

Function of WBCs

A
  • Fight foreign organisms
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15
Q

Which formed element is known for having many different types?

A

WBCs

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16
Q

Platelets are also called..

A

Thrombocytes

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17
Q

Function of Platelets

A
  • Prevents & stops bleeding
  • Is responsible for blood clotting
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18
Q

Which of the formed elements will be activated when it detects a wound?

A

Platelets

19
Q

Compare the size of the formed elements (biggest to smallest)

A

WBC - RBC - Platelets

20
Q

Compare the abundance of the formed elements (most to least)

A

RBC - Platelets - WBC

21
Q

Plasma is..

A
  • Made of mostly water
  • Composed of proteins, ions, etc.
  • The reason why blood is liquid
22
Q

What percentage of plasma is made of water?

A

90%

23
Q

Function of Blood Vessels

A
  • Help blood circulate
24
Q

Acronym for Blood Vessels

A

A - away
V - back
C - change

25
Q

What are the 3 Types of Blood Vessels?

A
  1. Arteries
  2. Veins
  3. Capillaries
26
Q

Function of Arteries

A

Commonly carry oxygenated blood AWAY

27
Q

Function of Veins

A

Commonly carry deoxygenated blood BACK to the heart

28
Q

Function of Capillaries

A

Because it is the THINNEST, it is where the EXCHANGE of gases & nutrients occur

29
Q

What is the main part of the cardiovascular system?

A

The heart

30
Q

Function of the Heart

A
  • Pumps blood throughout
  • Delivers waste products (deoxygenated blood) back to the lungs to be removed
31
Q

Chambers of the Heart

A
  1. Left Atrium
  2. Right Atrium
  3. Left Ventricle
  4. Right Ventricle
32
Q

What are the receiving chambers of the heart?

A

The upper chambers, left & right atria

33
Q

Which chambers of the heart pump blood out of your heart?

A

Lower chambers, right and left ventricles

34
Q

Which muscle separates oxygenated and deoxygenated blood?

A

Septum

35
Q

What is the purpose of valves in the hearts?

A

It serves as a way for blood to enter the heart

36
Q

What are the 4 valves of the heart?

A
  1. Pulmonic Valve
  2. Mitral Valve
  3. Aortic Valve
  4. Tricuspid Valve
37
Q

Which side of the heart contains oxygenated blood?

A

The Left side

38
Q

Which side of the heart contains deoxygenated blood?

A

The right side

39
Q

Which chambers of the heart have thinner walls?

A

Left and Right Atria

40
Q

Which chambers of the heart have thicker walls?

A

Left and Right Ventricles

41
Q

Which chambers of the heart have thicker walls?

A

Left and Right Ventricles

42
Q

Which is the thinnest of the blood vessels?

A

Capillaries

43
Q

What is the purpose of heart valves?

A

Prevent the backward flow of blood

44
Q

Purpose of coronary artery

A

Their main function is to supply blood to the heart

Science 9 (5 decks)

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