Why does blood have to go through the lungs before it goes back around the body?
To collect oxygen (and to remove CO2)
Challenge: What is the approximate size of our heart?
Our fist
Name 2 types of blood vessel.
Artery, Vein
Which kind of blood vessel carries blood away from the heart?
Artery
What happens in the lungs when we breathe in?
Oxygen moves into the blood from the air we breathe in.
What does the blood take to the body?
Oxygen and nutrients
Challenge: Which kind of blood vessel connects the arteries to the veins?
Capillaries
Challenge: Another name for the circulatory system: The c_ _ d _ _ v_s_ _ l _ _ system.
The cardiovascular system.
What is the heart?
A muscle
Challenge: How long does it take for the blood to leave the heart, circulate through the whole body and come back again to the heart?
60 seconds
How is water transported around the body?
Via the circulatory system.
What are the four main parts of the circulatory system?
Heart, Lungs, Blood, Blood Vessels
Challenge: Which blood cells carry oxygen around the body?
Red blood cells transport oxygen around the body.
Which kind of blood vessel carries blood to the heart?
Vein
Challenge: How many liters of blood does an adult have - 1 litre, 5 litres, 15 litres, or 10 litres?
5 litres
Challenge: How many chambers is the heart divided into?
4
Which part of the circulatory system moves around the body?
The blood
Challenge: Does blood travel faster in the veins or in the arteries?
Blood travels faster in the arteries.
What are the different kinds of blood vessels?
Arteries, veins, and capillaries