SC-1495
Heart and blood vessels
Lower Sec Science · Secondary 2 · Medium · Heart and blood vessels
A person’s diet is very high in animal fats and cholesterol. Using your knowledge of blood vessels, what is a likely consequence of this diet?
- Arteries may become narrowed, reducing blood flow and increasing risk of heart disease.
- Veins will widen, allowing much more blood to return to the heart.
- Capillaries will thicken, making gas exchange faster.
- The heart will pump with a lower pressure than normal.
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