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YEAR 9 - Biology > Structure Of Heart > Flashcards

Structure Of Heart Flashcards

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0
Q

Organ

A

Tissues joined together with the same function (heart).

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1
Q

Tissue

A

Cells working together with the same function (blood).

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2
Q

System

A

A number of organs with the same function (circulatory system)

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3
Q

Define the Heart

A

A four-chambered muscular pump that pumps blood under pressure around the body.

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4
Q

How does the heart respond to exercise?

A
  • Increased heart rate
  • Heart contracts more powerfully (increased stroke volume)
  • Blood is diverted to muscles (e.g. not to the digestive system)
  • Blood temperature rises
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YEAR 9 - Biology (8 decks)

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