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Abby > Science-Circulatory > Flashcards

Science-Circulatory Flashcards

1
Q

The purpose of the ______ is to transport materials through the body

A

Circulatory system

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2
Q

The word circulation comes from the word circle. The pathway of ____ is circular flowing from the heart to the other organs and back to the heart

A

Blood

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3
Q

The _____ is the organ that pumps blood throughout the body. Blood carries oxygen and nutrients to cells and carries waste away from the cells.

A

Heart

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4
Q

Blood is made up of several types of cells that are a liquid called______ Which is mostly water and makes up more than half the blood

A

Plasma

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5
Q

The cells in the blood that carry oxygen are called ______ On average people have about 20-25 trillion of these cells in their bodies. The body produces about three million new ones every second to replace those that die.

A

Red blood cells

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6
Q

Another type of cell in the body helps the body to fight disease. These are called____________ They are larger than red blood cells and they capture bacteria and release chemicals that fight infections.

A

White blood cells

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7
Q

When a blood vessel is injured, there are tiny _______ in the blood that help the blood to clot and seal the cut in the blood vessel

A

Platelets

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8
Q

The blood travels through the body in tubes called ________

A

blood vessels

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9
Q

An ______ is a blood vessel that carries blood away from the heart. These blood vessels have thick muscular walls, and they divide into smaller and smaller branches which carry the blood to organs

A

Artery

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10
Q

The smallest vessels are called ____________ These blood vessels are so small that the blood cells move through them in a single file

A

Capillaries

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11
Q

From the capillaries the blood flows into _______ which are blood vessels that carry blood back to the heart. These blood vessels have much thinner walls than the arteries

A

Veins

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12
Q

The heart is the hardest working muscle in the body. It contains four chambers which are connected to each other by a ________ or flaps of tissue that keep the blood from flowing in the wrong direction

A

Valve

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13
Q

Each of the two upper chambers of the heart is called an ___________ these chambers collect the blood from the veins and pump it to the lower chamber of the heart

A

Atrium

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14
Q

Each of the two lower chambers of the heart is called a ____________ The lower chamber on the left side has a thicker wall than the one on the right because it pumps blood throughtout the body The lower chamber on the right pumps blood to the lungs

A

Ventricle

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15
Q

The ___________ are the blood vessels that carry the blood from the body to the heart into the right atrium One carries blood from the parts of the body above the heart and the other carries blood from the parts of the body below the heart.

A

Vena Cava

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16
Q

The right atrium of the heart pumps the blood through a valve into the right ventricle It is then pumped into a large artery that takes the blood to the lungs to pick up _____ and release carbon dioxide

A

Oxygen

17
Q

The oxygen-rich blood flows through the veins to the left atrium The left atrium pumps the blood through a valve into the left ventricle where it is pumped through a valve into the body’s largest artery called ____________ From here, the blood moves to all of the organs except the lungs

A

Aorta

18
Q

Carries needed substances to ___________ and carries ___________ _______ away from cells.
Blood contains cells that ________________

A

Cells
Waste products
fight disease

19
Q

Each time a heart ________ it pushes ______ through the _______________ of the cardiovascular system. Heart beats ____________

A

beats
blood
continously

20
Q

Phase 1: Heart muscle ________ and the heart fills with _______
Phase 2: Heart muscle __________ and ______ blood forward _____________ is heard in this phase

A

Relaxes –blood
contracts–pumps
Heartbeat

21
Q

Blood flows from the ___________ to the __________ The right ventricle pumps _________ blood into the ______ that lead to the _____ (dark red blood)

A

Right Atrium –Right Ventricle
Oxygen poor —Arteries
Lungs

22
Q

Blood moves into the _____________ and is pumped into the ______ Blood flows into ________ throughout the __________ and back into the _____________

A

Left Ventricle —Aorta
Arteries —Capillaries
Right Atrium

23
Q

When ______ leaves the ________- it travels through the ______________

A

blood heart arteries

24
Q

The first branches are the _____________ which carry _______ to the ____________

A

Coronary arteries blood heart

25
Q

Other arteries carry blood to the ______, _______, and other __________

A

brain intestines organs

26
Q

Arteries have very thick _______—-

A

walls

27
Q

Materials are ___________between the __________and the body’s _______

A

exchanged blood cells

28
Q

Capillaries have thin ______ materials _____ them

A

Walls pass through

29
Q

After blood moves through ___________ it enters larger ______________ called veins which carry blood back to the ___________ Contains _______

A

capillaries blood vessels heart muscle

30
Q

Contraction of ________ help push _____ along

A

skeletal muscles blood

31
Q

Larger ________ in the body have ______ that prevent blood from flowing ____________

A

veins valves backwards

32
Q

Breathing ___________ force blood toward the _____

A

movements heart

33
Q

Blood Pressure is caused by a ________ with which the ___________ contract. _________ by an ____________ called a sphygmomanometer
Expressed as a _________ ex:

A

force ventricles
measured instrument
fraction 120/80

34
Q

Respiratory System function:moves ______ from the outside environment into the _____ Removes ____ and ______ from the ______

A

oxygen body

carbon dioxide water body

35
Q

Nose: ___ enters the body and moves through the ____ Mucus traps ______ in your ______

A

Air Nasal Cavities

particles nose

36
Q

Pharynx: Air moves from the ____ to the _______

Also a _______ for ______

A

Nose pharynx

passage way food

37
Q

Trachea: Lined with _______ and ______

If ______ gets in the _______you ______

A

Mucus Cilia

food trachea choke

38
Q

Bronchi and lungs: Air moves from the ____ into the _____

Bronchi resemble ________ At the end of the ____ tubes are _____________

A

bronchi lungs
branches
bronchi tubes celevoli

39
Q

Gas exchange: ______ passes through the wall of the __________ and then through the __________into the _____
______ and _________ pass from the _________

A

Oxygen capilliaries
bloodstream lungs
Oxygen carbon dioxide capilliaries

Abby (5 decks)

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