HUMAN BODY AND NUTRICION

1. THE HUMAN BODY AND
NUTRICION.
Lucia Reillo Pulpon
Tema 1
1º Trimestre

2. HOW FOOD TRAVELS INSIDE YOUR
BODY.

3. 1-Digestion begins in your mouth.Your teeth grind the
food and your tongue.
2-Next the bolus passes down the pharynx and
oesophagus.
3-The stomach secretes subtances called gastric juice.
4-chyme reaches the small intestine where it mixes
other juice.
5-The remains of food that has not been absorbed in
the small

4. HOW AIR TRAVELS AROUND YOUR
BODY.

5. 1-Air enters the body through the nostrils.
2-The air travels down through the larynx the
windpipe the bronchi and the bronchioles
finaly reaches thelungs
3-Gas exchange takes place the alveli.

6. BLOOD.
Blood consits of plasma and blood
cells.

7. TYPES OF BLOOD CELLS.

8. RED BLOOD CELLS.
They transport oxygen andcarbon
daoxide.

9. PLATELETS
They heal wounds and stop you
bleeding.

10. White blood cells
They defend your body