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My Study Class > Science > Flashcards

Science Flashcards

1
Q

A part of nervous tissue that tells ventricle to contract

A

Pacemaker

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2
Q

upper chambers of the heart

A

Atria

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3
Q

Cells fragments that help form blood clots

A

Platelets

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4
Q

Hormone that helps bind oxygen to red blood cells

A

Hemoglobin

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5
Q

the system that transports oxygen and blood to the body

A

Cardiovascular system (Also called circulatory system)

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6
Q

Wall of tissue that separates the left side from the right side of the heart

A

Septum

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7
Q

When blood pushes a giant the artery wall

A

Pulse

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8
Q

Hollow muscle that pumps blood

A

Heart

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9
Q

Largest artery in body, transports oxygen rich blood to the body

A

Aorta

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10
Q

Bottom chambers of the heart, pump blood out of heart

A

Ventricles

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11
Q

Flap of epithelial tissue that prevents blood from flowing backwards

A

Valve

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12
Q

Process in which substances move from an area of high concentration to an area of low concentration

A

Diffusion

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13
Q

Blood vessel that Carries blood away from heart

A

Arteries

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14
Q

Where nutrients and wastes are exchanged between blood cells

A

Capillaries

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15
Q

Blood exerting force against a blood vessel when ventricles contract

A

Blood pressure

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16
Q

Blood vessel that Carries blood back to heart

A

Coronary artery

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17
Q

Artery that supplies heart with blood

A

Coronary artery

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18
Q

the liquid part and majority of a blood cell, made of water and minerals, like calcium and potassium

A

Plasma

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19
Q

Cells that pick up oxygen

A

Red blood cells

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20
Q

Blood cells that fight disease produced in red bone marrow

A

White blood cells

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21
Q

EC- syhgmomameter

A

An instrument that can measure blood pressure

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22
Q

What are the 3 major parts of the cardiovascular system

A

Heart, blood vessels blood

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23
Q

What are the functions of the cardiovascular system

A

Deliver materials
Deliver waste
Fight disease
Regulate body temperature

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24
Q

How big is the heart

A

The size a fist

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25
Q

Where is the heart located

A

In your left chest, behind sternum and rib cage

26
Q

What are the 5 major part of the heart

A

Atria, ventricles, valves, pacemaker, septum

27
Q

How many chambers make up the heart

A

4

28
Q

What are the upper chambers of the heart

A

Atria or atrium

29
Q

What are the lower chambers of the heart

A

Ventricles

30
Q

What chamber of the heart is responsible for pumping blood

A

Ventricles

31
Q

What structure of the heart is responsible for preventing blood from flowing backwards

A

Valves

32
Q

Which structure separates the right side of the heart from the left side, why is this important.

A

Septum, because the oxygen poor and rich blood would mix and cells wouldn’t get the right amount of oxygen

33
Q

What are the different types of tissue in the heart and where are they found

A

Nervous-pacemaker
Epithelial- valves and heart is covered in it.
Connective- blood
Muscles septum and cardiac muscle makes up most of heart

34
Q

Which structure tells the heart to beat

A

Pacemaker

35
Q

Which side of the Heart Contains oxygen poor blood and where does this blood come from and why is it poor in oxygen

A

Right, it co es from the body and the oxygen has been delivered to the cells

36
Q

Which side of the heart contains oxygen rich blood, and how does the blood become oxygen rich and why this is important

A

Left, from the lungs, important so that the cells get oxygen

37
Q

Describe blood flow though the heart starting at the right atrium leaving the aorta

A 
Right atrium to right ventricle 
Right ventricle to lungs
Lungs to left atrium 
Left atrium to left ventricle 
Left ventricle to aorta
38
Q

What are the major blood vessels in the body, order from blood flow

A
  1. Arteries
  2. Capillaries
  3. Veins
39
Q

Which blood vessels move blood away from the heart

A

Arteries

40
Q

Which blood vessels move blood to the heart

A

Veins

41
Q

What is the structure of arteries/veins

A

3 layers thick

Connective, smooth and epithelial tissue, arteries are thicker to withstand more pressure of blood near the heart

42
Q

Compare and contrast arteries/veins and capillaries

A

Similar- all have epithelial tissue and carry blood

Different- arteries and veins 3 layers thick, capillaries are 1 layers thick

43
Q

Why are the capillaries’s structure different than other blood vessels

A

They have to be thinner to exchange nutrients and wastes

44
Q

Which artery supplies the heart with it’s own blood supply

A

Coronary artery

45
Q

What is a pulse

A

The number of heartbeats, (blood pushes against the artery wall we feel it as a pulse)

46
Q

Why do veins need help pushing blood back to the heart

A

They are working against gravity,

47
Q

What help veins get blood back to the heart

A

Valves, skeletal muscles, and breathing

48
Q

What causes blood pressure

A

Force of the ventricles contracting

49
Q

Does blood pressure increase or descrease as you move away from the heart, and why

A

Decrease, because the blood gets further from the heart

50
Q

What helps measure blood pressure

A

(Sphygmomanometer) (you don’t HAVE to know this it is extra credit

51
Q

What type of tissue is blood

A

Connective tissue

52
Q

What are the 4 major components of blood

A

Plasma, platelets, red blood cells, white blood cells

53
Q

What is the blood mostly made of

A

Plasma, mostly water

54
Q

What blood component carries nutrients and wastes to and from cells, list some of these nutrients and wastes.

A

Plasma, oxygen, carbon dioxide, vitamins, minerals, glucose, and hormones

55
Q

Which blood component(s)contain a nucleus

A

Red blood cells, platelets

56
Q

Which blood component is responsible for fighting disease

A

White blood cells

57
Q

What is the protein that helps to bind oxygen with red blood cells

A

Hemoglobin

58
Q

Where are Red blood cells and White blood cells made

A

Red bone marrow

59
Q

Compare and contrast red blood cells(rbc) and white blood cells (wbc)

A

Similar- both cells found in blood

Different- WBCs larger than rbc, more rbcs than wbcs, wbcs fight disease and rbcs carry oxygen

60
Q

Which blood component helps to create blood clots

A

Platelets

61
Q

What is the ,most abundant cell in your body

A

Red blood cells

62
Q

What protein “catches” platelets

A

Fibrin- acts like a net to stop platelets as they pass an injury (might not be on test)

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