2.1. A matter of the heart - lesson 1

LESSON 1
  • 2.1. A matter of the heart
  • Do your homework 
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BiologieMiddelbare schoolvmbo t, mavoLeerjaar 2

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LESSON 1
  • 2.1. A matter of the heart
  • Do your homework 

Slide 1 - Diapositive

2.1. A matter of the heart
Our body has a transport system for bringing nutrients and oxygen to your cells and carrying away waste, like carbon dioxide.

Slide 2 - Diapositive

How do we call that
transport system?
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1:30

Slide 3 - Question ouverte

Which organs belong to
the circulatory system?
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1:30

Slide 4 - Question ouverte

2.1. A matter of the heart
  •  Our heart is a powerful organ that actually works as not one, but two pumps.

Slide 5 - Diapositive

2.1. A matter of the heart
  •  Our heart is a powerful organ that actually works as not one, but two pumps.
  • The right-handed side of your heart pumps blood towards your lungs, while the left-hand side of your heart pumps blood to all other organs of the body.

Slide 6 - Diapositive

Which side of your heart
has a thicker wall of cardiac
muscle tissue?
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1:30

Slide 7 - Question ouverte

2.1. A matter of the heart
  • Your heart has four compartments called chambers (kamers).

Slide 8 - Diapositive

2.1. A matter of the heart
  • Your heart has four compartments called chambers (kamers).
  • The two chambers are called the left atrium (linkerboezem) and the right atrium (rechterboezem).

Slide 9 - Diapositive

2.1. A matter of the heart
  • Your heart has four compartments called chambers (kamers).
  • The two chambers are called the left atrium (linkerboezem) and the right atrium (rechterboezem).
  • The two lower chambers are called the left ventricle (linkerkamer) and the right ventricle (rechterkamer).

Slide 10 - Diapositive

Slide 11 - Diapositive

2.1. A matter of the heart
  • Your heart beats by contracting and relaxing its cardiac muscle tissue.

Slide 12 - Diapositive

2.1. A matter of the heart
  • Your heart beats by contracting and relaxing its cardiac muscle tissue.
  • During one heartbeat, first both atria contract at the same time.

Slide 13 - Diapositive

2.1. A matter of the heart
  • Your heart beats by contracting and relaxing its cardiac muscle tissue.
  • During one heartbeat, first both atria contract at the same time.
  • Then when the atria relax, both ventricles contract at the same time.

Slide 14 - Diapositive

2.1. A matter of the heart
  • Your heart beats by contracting and relaxing its cardiac muscle tissue.
  • During one heartbeat, first both atria contract at the same time.
  • Then when the atria relax, both ventricles contract at the same time.
  • This repeats itself over and over throughout your lifetime. 

Slide 15 - Diapositive

HOMEWORK
Tuesday  8 February
Complete question 1 on page 3 in your workbook

Slide 16 - Diapositive