Evolution and the heart
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Lesson duration is: 10 minItems in this lesson
Slide 1 - Slide
Slide 2 - Video
Darwin suggested the theory of evolution by
A
Artificial selection
B
Asexual selection
C
Natural selection
D
selective breeding
Slide 3 - Quiz
What is the function of the atria in the heart?
A
Receive blood from the body and lungs
B
Regulate blood pressure
C
Pump blood to the body and lungs
D
Produce red blood cells
Slide 4 - Quiz
Slide 5 - Slide
Which chamber of the heart pumps oxygenated blood to the body?
A
Right ventricle
B
Left ventricle
C
Left atrium
D
Right atrium
Slide 6 - Quiz
What is the purpose of heart valves?
A
Prevent backflow of blood
B
Produce hormones for circulation
C
Store excess blood
D
Regulate heartbeat rhythm
