14,15

12

SECTION 2

The digestive system

A Match the common term on the left with the medical term on the right.

mouth

roof of the mouth

spit

throat

gullet

smali intestine large intestine bowel

oesophagus

duodenum, jejunum, ileum, colon, and rectum

buccal cavity

colon

saliva

bard and soft palate

pharynx

ileum

B Label the diagram.

duodenum

large intestine

salivary gland

gullet

rectum

stornach

pancreas

appendix

gali bladder

caecum

mouth

liver

smali intestine roof of the mouth anus tongue

bile duet	^6 ..... ę
throat	7 -.............."w	--18
	17

13

SECTION 2

The respiratory system

Muli

li lilii

tup the beginning of sentences 1-15 with the appropriate ending a-o to lilii inn Irue sentences about respiration.

S

7

l',xtemal respiration involves Inklng oxygen into the body and\

irom the nose and mouth, nlr flows

The trachea divides (iaseous exchange takes place

Ventilation is the process of

The respiratory tract is lined with

The mucus in the respiratory tract is continually moved

Itcsidual air is left behind In the lungs

a by cilia.

m

ni

e

f

V

9 I Hiring heavy exercise, the depth and ratę of ventilation

Hi The epiglottis prevents

H The larynx is also known as

IKach of the two lungs is surrounded

Tl The pleural cavities are filled

M Air flows into the lungs when

III lensing the vocal folds in the larvnx in a stream of air

j

k

m

food and liąuid from entering the lower respiratory tract.

renewing alveolar air.

causes them to vibrate and produce sound.

increases dramatically.

by its pleural cavity.

into the larynx and windpipe.

the chest wali and diaphragm move to increase the volume of the thorax.

getting rid of excess carbon dioxide.

with fluid.

in the alveoli.

after expiration.

into the right and left bronchi.

the voice box or Adam's apple.

a layer of sticky mucus.