test - Circulatory system Flashcards
1
Q
- What happens after old blood, which has already circulated through the body, moves into the heart?
A
The old blood travels to the lungs for more oxygen.
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2
Q
- when the blood flows into the right atrium from the body, it contains.
A
little oxygen, but a lot of carbon dioxide.
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3
Q
- which chamber of the heart pumps oxygen-poor blood to the lungs?
A
right ventricle
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4
Q
- how does the pulmonary circulation differ from the systemic circulation?
A
systemic circulation occurs throughout the body; pulmonary circulation occurs in the heart and in the lungs.
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5
Q
- if your pulse rate decreases, your heart is beating with what?
A
slower than before.
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6
Q
- in what blood vessels are materials exchanged between the blood and the body cells?
A
capillaries.
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7
Q
- what is the main difference between ventricles and your atria?
A
your atria brings bring blood into the heart; your ventricles pump the blood out of the heart.
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8
Q
- what causes blood pressure?
A
the force with which the ventricles contract.
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9
Q
- what word best describes the beating of the heart and the circulation of blood?
A
automatic
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10
Q
- does the cardiovascular system consist of the heart, blood vessels, and lymph?
A
false/ Blood
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11
Q
- as the blood moves away, does the blood pressure increase?
A
false/decreases
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12
Q
- fluid from the blood that enters the lymphatic vessels are known as what?
A
lymph
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13
Q
- blood that is rich in oxygen leaves the are through which blood vessels?
A
aorta
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14
Q
- the circulatory system carries the needed materials oxygen and ____ to the body cells.
A
glucose, nutrients
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15
Q
- the group of cells called the _____ regulates the rate at which the heart beats.
A
pacemaker
notes/mrs.Tinney