Activities unit 1

 

ACTIVITIES

1.- Draw the digestive system and label the main parts.

 2.-Correct the sentences:

 

-       All humans perform the three life functions: nutrition, respiration and reproduction.

-       The digestive system extracts nutrients from the air you breathe.

-       The trachea joins the mouth to the stomach.

-       Nutrients are separated from the waste in the large instentine.

 

3.- Put the process of the urinary system in order.

a) The bladder releases urine through the urethra.

b)The urine goes down the ureters to the bladder.

c) The kidneys separate water and minerals from the blood to produce urine.

d) When the bladder is full, your body tells you to go to the toilet.

 

4.- Complete the sentences

When you do………………..or it is very hot, your body produces……………. This is a mixture …………..and minerals. It is produced in………………..and released through ………………in the skin.

 

5.- Complete the sentences and put them in order.

a) The air enters the lungs through two tubes called……………………

b) In the alveoli, blood exchanges carbon dioxide for……………….

c) Air enters the body through your…………………or………………….

d) The air travels through the lungs and ends in small sacs called…………………..

e) From the mouth and nose, the air goes down the………………………….

f) You expel ……………..when you breathe out.

 

6.- Circle the correct words to complete the sentences.

 

The circulatory system transports nutrients/ waste and carbon dioxide/ oxygen to every cell in your body.

The circulatory system consists of the lungs/ heart, blood and kidneys/ blood vessels. Arteries I veins take blood from the heart to the body.

Chambers/ Capillaries are very small blood vessels that connect the arteries and the veins.

 

The bladder/ heart pumps blood round the body through the blood vessels.

 

7.- Draw and label the main part of the male and female reproductive system.