2.2 What goes around comes around

• Biologie
• Middelbare school
• vwo
• Leerjaar 2

2.2 what goes around comes around

the circulatory system (heart, arteries, veins, capillaries)

Tricuspid valve

Aortic valve

Pulmonary valve

Mitral valve

draw the blood circulation

blood vessels

- Veins

- Arteries

- Capillaries

the circulatory system

pulmonary circulation

systemic circulation

coronary circulation

pulmonary circulation

oxygen rich from the lungs

oxygen rich to the body

oxygen poor to the lungs

oxygen poor from the body

systemic circulation

You take a paracetamol for a headache. (intestines - brain)

give all the names of the bloodvessels the paracetamol passes!

You take a paracetamol for a headache. (intestines - brain)

1. intestines
2. portal vein
3. liver
4. hepatic vein
5. inferior vena cava
6. right atrium
7. right ventricle
8. pulmonary artery
9. lungs
10. pulmonary vein
11. left atrium
12. left ventricle
13. aorta
14. brain

coronary circulation

in which bloodvessel flows oxygenated blood to the heart?

1. coronary arteries
2. coronary veins
3. aorta
4. splenic artery

three types of muscle tissue

voluntary (skeletal) - strong but tires quickly, you control them

involuntary  (smooth) - weaker, but doesn't tire quickly, you can't control them

cardiac muscle - muscle tissue in your heart, combination of the two, doesn't tire quickly, but is strong

muscle tissue