HUMAN SYSTEMS

TODOS los dibujos para completar

Exam

1.Write the name of all stages of life.

2.Read and write.

a) Food circulates through this from the mouth to the stomach. _____________

b) Our teeth are in this. _____________

c) In this part the food is mixed with a liquid called gastric juice. ____________

d) Faeces are expelled through this. _____________

e) The food is divided into nutritional substances that our body needs. ___________

3.- Read and match.

· It is the gas that we breathe

· There are two in our body

· The process through which our lungs fill with air

· When air leaves our lungs

· A gas that we eliminate from our body

: Carbon dioxide

· Expiration

· Oxygen

· Lungs

· Inhalation

4.- Write. Listen and check.

Air enters our body through our …………… and mouth. It …………… through the nostrils. It goes down through the ……………and after goes to the ……………and into the ……………. Finally, oxygen goes to our……………. When we breathe, we can differentiate two ……………: inhalation, our lungs …………… with air, we take oxygen from the atmosphere and ……………, air leaves our lungs, giving off carbon dioxide.

5.- Answer these questions.

a) What does blood carry? _________________

.b) What is “circulation”? ____________________________________ ____________

 c) What is the main organ in the Circulatory System?______________ .

d) What is the function of the heart? __________________________ ____________

e) Where is our heart? ____________________________________ .

 f) What bones protect our heart? ____________________________ .

g) What are the three types of blood vessels?___________________ .

h) What is the function of our arteries? ________________________ ____________

6.- Order the sentences.

 How do you digest a pear?

The parts of the pear that my body does not need go to large intestine.

Then the food goes into the small intestine.

The pear, mixed with saliva, goes down the oesophagus.

I chew the pear in my mouth.

At last, the faeces are expelled through the anus.

In my stomach, the pear is mixed with gastric juice.

7.- Read and tick the correct answer.

a) The process by which food substances are changed into nutritional substances is…

□ circulation □ digestion

b) The movements of breathing are… □ inhalation and exhaling □ exhaling and excretion

c) Digestion begins in the… □ heart □ mouth

d) Kidneys are organs of the… □ Reproduction System □ Excretory System

e) The main organ in the Circulatory System is our… □ arteries □ heart

8.- Match.

1. Faeces are expelled.                                                                           a) digestion

2. A long tube composed of two parts.                                                   b) arteries

3. It takes about two hours.                                                                     c) oxygen

4. A gas that we need to live.                                                                  d) kidneys

5. They take the blood from our heart to                                     e) penis

the rest of our body.                                                                                f) anus.  

6. They clean our blood and make the urine.                                          g) intestine

7. Where the urine is stored.                                                                  h) bladder urine

8. An organ of the male reproductive system.