Question

multiple choice questions (MCQs)
A)the substances that need to be transported in our body are
i) food
ii)veins
iii) capillaries
iv)all of these​

Answer 1

Answer:

veins

Explanation:

Veins are a type of blood vessel that return deoxygenated blood from your organs back to your heart. These are different from your arteries, which deliver oxygenated blood from your heart to the rest of your body. Deoxygenated blood that flows into your veins is collected within tiny blood vessels called capillaries.

Answer 2

Explanation:

veins..................