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Biology Unit 3: The circulatory system
The circulatory system: basics 2
1. Read EVERYTHING!
2. answer the questions.
3. Take notes and write down the blue words!
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Biologie
Middelbare school
vwo
Leerjaar 2
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11 slides
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interactive quizzes
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Lesson duration is:
20 min
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The circulatory system: basics 2
1. Read EVERYTHING!
2. answer the questions.
3. Take notes and write down the blue words!
Slide 1 - Slide
Circulation
The human
circulatory system
:
heart
+
blood vessels
.
The path taken through the body by the blood is called
circulation.
Closed circulatory system:
Most blood remains inside the blood vessels during transport
Slide 2 - Slide
Circulation
-
Red
blood indicates blood
with a lot of oxygen
-
Blue
blood indicates blood
with a lot of carbondioxide
(Not really blue in real life)
Slide 3 - Slide
The heart
-The heart is a double pump
-
right side
pumps oxygen poor
blood into the pulmonary
circulation
-
left side
pumps oxygen rich
blood into the systemic
circulation
Right side
Left side
Slide 4 - Slide
2 different circulations:
Pulmonary circulation
Right side heart --> lungs --> left side heart
Systemic circulation
Left side heart --> rest of body --> right side heart
Humans have a
double circulatory system
: blood flows through the heart 2 times per circuit.
Left side
Right side
Slide 5 - Slide
Pulmonary circulation
Right side of the heart pumps blood to the lungs. (
Oxygen poor
)
Here the blood picks up Oxygen and drops of Carbon dioxide.
--> blood goes to left side of the heart (
Oxygen rich
)
Right side
Left side
Slide 6 - Slide
Which one picks up Oxygen?
A
White blood cells
B
Red blood cells
C
Platelets
Slide 7 - Quiz
What is the pigment called that allows red blood cells to absorb Oxygen?
A
Haemoglobin
B
Thrombosis
C
Fibrinogen
D
Blood plasma
Slide 8 - Quiz
Systemic circulation
Left side of the heart pumps blood to every part of your body. (
Oxygen rich
)
Drops off: oxygen and nutrients to cells
Picks up: Carbon dioxide and other waste products from cells
Blood goes back to right side of the heart (
Oxygen poor
)
Right side
Left side
Slide 9 - Slide
Which one is the shortest circulation?
A
Pulmonary
B
Systemic
Slide 10 - Quiz
Now you try!
Make exercise 8 and 9 in your paper or online book (you can reach this one from someday or magister)
If done: finish exercise 1, 2, 3, 4 and 6 from 3.1 Blood.
Slide 11 - Slide
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