2.1 A matter of the heart

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

What is the function of the heart?

2.1 A matter of the heart

The circulatory system

The heart

Left and right

• You look from your own perspective

The chambers

• Four chambers
• Two atria (plural) at the top (atrium singular)
• Right atrium (RA) and left atrium (LA)
• Two ventricles at the bottom 
• Right ventricle (RV) and left ventricle (LV)

Heart valves

• Four valves
• Tricuspid valve between RA and RV
• Bicuspid (mitral) valve between LA and LV
• Pulmonary valve in pulmonary artery
• Aortic valve in aorta

Bloodvessels connected to the heart

• Aorta
• Pulmonary artery
• Pulmonary vein
• Superior Vena Cava
• Superior means 'upper' in Latin
• Inferior Vena Cava
• Inferior means 'lower' in Latin

How many chambers does the heart have? Type a number.

What number is the LA?

1. 6
2. 7
3. 8
4. 9

How many heart valves does the heart have? Type a number.

What number is the Tricuspid valve?

1. 4
2. 5
3. 11
4. 12

What number is the Pulmonary Artery?

1. 1
2. 2
3. 3
4. 10

What does the Latin word 'inferior' mean?

What number is the Aortic valve?

1. 4
2. 5
3. 11
4. 12

What number is the Superior Vena Cava?

1. 1
2. 2
3. 3
4. 10

This lesson

• Start with Chapter: The circulatory system
• Study paragraph 2.1 
• Homework: exercise 1 to 14 (skip 11)