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Explore the importance of the nasal cavity, blood vessels, and tracheas in the body. Learn about the benefits of blood donation and healthy eating habits. Discover how regular exercise can strengthen your heart and breathing muscles.
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The....................are the tubes that carry the blood. BLOOD VESSELS TRACHEAS
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!
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.