Page 51 - Science Course 2 (Book 1)
P. 51
Mo2-L3b: How are Nutrients Transported Around the Body?
Capillaries are tiny vessels that allow gases and
nutrients to move between the blood and the
entire body.
Vein Artery
Capillaries
Venule Arteriole
Head and Arms
Key Concept
Anterior Lungs Pulmonary
vena cava Artery How are Nutrients Transported Around the Body?
How do nutrients travel through the body?
Heart
Digestive
Liver tract
Vein Aorta
Kidney
O O
2 2
Trunk and Legs
Blood vessels transport blood to all organs of the body.
Contractions of the heart’s muscles pump blood to the
rest of the body. SUMMARY
How are Nutrients Transported Around the Body?
Blood travels through the body in tiny tubes called
vessels. The circulatory system transports nutrients,
gases, wastes, and other substances through
Arteries carry blood away from your heart. the body.
Veins carry blood back to your heart.
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