1. Heart structure
• All will know the names and the parts of the
heart
• Most will be able to describe how blood
circulates in the body
• Some will be able to explain the benefits of
our circulatory system
2. The body has its own transport system
that carries substances around the
body.
Which organs are involved in this
system?
heart
blood vessels
blood
The body’s transport system is
called the circulatory system.
3. Heart structure
• Watch video –
• What is the heart made of?
• Where is the heart found?
• what is the function of the heart?
5. Heart structure
• Describe the pathway of blood as it flows
around the body. Include the names of
important blood vessels and organs. Start at
the pulmonary vein.
• Which substances pass
into and out of the blood
at each organ?
6. Blood is pumped around the
body by the heart.
It takes about 30s for blood to
go once around the body.
Starting with the left side of
the heart, what route does the
blood follow to complete one
circuit of the body?
11. Circulatory questions
1. What are the three elements of the
circulatory system?
2. Humans have a double circulatory system.
What does this mean?
(draw fig 1 p.238)
