Share Review - Body Systems
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IT MOVES THE BLOOD THROUGH THE HEART AND AROUND THE BODY
circulatory system
The heart is made up of...
involuntary muscles
The _____ contracts when we breath in and relaxes when we breath out
diaphragm
How many blood vessels are there?
3. Arteries, veins and capillaries.
They carry good blood to the body
arteries
They carry blood back to the heart
Veins
They connect arteries and veins
capillaries
We breath in ______ and we breath out _________.
oxygen / carbon dioxide
The respiratory system starts in the ____________
Mouth/ nose
The _______ opens and air goes down a tube called __________.
pharynx/ trachea
The air then travels down two tubes called ________ and enters the ________
Bronchi/ Lungs
The oxygen from the air passes from the lungs to the ____________
Blood
It's when the baby leaves the uterus and is born
Birth
When a sperm joins an egg
Fertilisation
When the baby develops in the uterus.
Pregnancy
How long does a human pregnancy last?
9 months
