2. Look this words, what are you going to study in
this unit?
3.
4.
5.
6. Complete the sentences
1.Digestion begins in the mouth. Our teeth cut and chew
the food. Our tongue mixes the food with saliva.
2.Then the food goes down the oesophagus and goes
into the stomach.
3.In the stomach, the food is mixed with a liquid (gastric
juice).
4.In the small intestine, the food is divided into
nutritional substances that our body needs.
5.The parts of food that we do not need go into the large
intestine. They are transformed into faeces and they
are expelled through the anus.
7.
8.
9.
10.
11. Blood is a very important red liquid in our body, it
is red and carries oxygen and nutrients to different
parts of our body.
Blood goes around our body, this is called
circulation.
The Circulatory System is responsible for blood
circulation.
12. The main organ of this system is our heart, the
Heart is an involuntary muscle
13. There are three types of blood vessels: arteries,
veins and capillaries.
◦ Arteries: they take the blood from our heart to the rest of
our body.
◦ Veins: take the blood from our body back to the heart.
◦ Capillaries: connect the veins and arteries.
14.
15. 1.- Label the parts of the Respiratory System
17. 3.- Answer this questions.
◦ What is the main organ in the Circulatory System?
◦ What bones protect our heart?
◦ Which are the blood vassels?
◦ Where is our heart?
20. Excretion is the process through wich we clean our
blood and elimante waste from our body.
21. The organs are the kidneys, ureters, bladder and
urethra.
22. What are SWEAT GLANDS ?¿?¿?¿?¿?
Sweat glands are small tubular structures of
the skin that produce sweat.
23. The kidneys clean our blood and make the urine.
The urine now goes to the bladder, where it is
stored and is later expelled from the urethra.
24. There are three types of blood vessels: arteries,
veins and capillaries.
◦ Arteries: they take the blood from our heart to the rest of
our body.
◦ Veins: take the blood from our body back to the heart.
◦ Capillaries: connect the veins and arteries.
25.
26. Could you tell us the parts of excretory system?
What is the excrection?
Which are the types of blood vessels?
