Which picture is showing you the nasal cavity? The....................are the tubes that carry the blood. BLOOD VESSELS TRACHEAS.

Which picture is showing you

the nasal cavity?

The....................are the tubes that carry the blood.

BLOOD VESSELS

TRACHEAS

Which of these foods have to be eaten in moderation?

You have to eat these foods in moderation,

unless your health can be damaged.

You must eat these foods frequently; they are good

for your health!

Why is so important giving blood?

Blood donation saves millions of lives around the world every

year.

• Donated blood is ready to be used if someone needs it during an operation or because of an accident.

• The body makes up the lost blood in a few days.

Exercising regularly keeps healthy.

• Walk, run, swim,... makes the breathing and heart muscles stronger

During the exercise, the muscles need more oxygen and energy. The heart beats faster to give more blood.