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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
Where is the heart located
In your left chest, behind sternum and rib cage
26
What are the 5 major part of the heart
Atria, ventricles, valves, pacemaker, septum
27
How many chambers make up the heart
4
28
What are the upper chambers of the heart
Atria or atrium
29
What are the lower chambers of the heart
Ventricles
30
What chamber of the heart is responsible for pumping blood
Ventricles
31
What structure of the heart is responsible for preventing blood from flowing backwards
Valves
32
Which structure separates the right side of the heart from the left side, why is this important.
Septum, because the oxygen poor and rich blood would mix and cells wouldn’t get the right amount of oxygen
33
What are the different types of tissue in the heart and where are they found
Nervous-pacemaker Epithelial- valves and heart is covered in it. Connective- blood Muscles septum and cardiac muscle makes up most of heart
34
Which structure tells the heart to beat
Pacemaker
35
Which side of the Heart Contains oxygen poor blood and where does this blood come from and why is it poor in oxygen
Right, it co es from the body and the oxygen has been delivered to the cells
36
Which side of the heart contains oxygen rich blood, and how does the blood become oxygen rich and why this is important
Left, from the lungs, important so that the cells get oxygen
37
Describe blood flow though the heart starting at the right atrium leaving the aorta
``` Right atrium to right ventricle Right ventricle to lungs Lungs to left atrium Left atrium to left ventricle Left ventricle to aorta ```
38
What are the major blood vessels in the body, order from blood flow
1. Arteries 2. Capillaries 3. Veins
39
Which blood vessels move blood away from the heart
Arteries
40
Which blood vessels move blood to the heart
Veins
41
What is the structure of arteries/veins
3 layers thick | Connective, smooth and epithelial tissue, arteries are thicker to withstand more pressure of blood near the heart
42
Compare and contrast arteries/veins and capillaries
Similar- all have epithelial tissue and carry blood | Different- arteries and veins 3 layers thick, capillaries are 1 layers thick
43
Why are the capillaries’s structure different than other blood vessels
They have to be thinner to exchange nutrients and wastes
44
Which artery supplies the heart with it’s own blood supply
Coronary artery
45
What is a pulse
The number of heartbeats, (blood pushes against the artery wall we feel it as a pulse)
46
Why do veins need help pushing blood back to the heart
They are working against gravity,
47
What help veins get blood back to the heart
Valves, skeletal muscles, and breathing
48
What causes blood pressure
Force of the ventricles contracting
49
Does blood pressure increase or descrease as you move away from the heart, and why
Decrease, because the blood gets further from the heart
50
What helps measure blood pressure
(Sphygmomanometer) (you don’t HAVE to know this it is extra credit
51
What type of tissue is blood
Connective tissue
52
What are the 4 major components of blood
Plasma, platelets, red blood cells, white blood cells
53
What is the blood mostly made of
Plasma, mostly water
54
What blood component carries nutrients and wastes to and from cells, list some of these nutrients and wastes.
Plasma, oxygen, carbon dioxide, vitamins, minerals, glucose, and hormones
55
Which blood component(s)contain a nucleus
Red blood cells, platelets
56
Which blood component is responsible for fighting disease
White blood cells
57
What is the protein that helps to bind oxygen with red blood cells
Hemoglobin
58
Where are Red blood cells and White blood cells made
Red bone marrow
59
Compare and contrast red blood cells(rbc) and white blood cells (wbc)
Similar- both cells found in blood | Different- WBCs larger than rbc, more rbcs than wbcs, wbcs fight disease and rbcs carry oxygen
60
Which blood component helps to create blood clots
Platelets
61
What is the ,most abundant cell in your body
Red blood cells
62
What protein “catches” platelets
Fibrin- acts like a net to stop platelets as they pass an injury (might not be on test)

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