<span>The exchange of oxygen, nutrients, and wastes occur in A. in capillaries.</span>
Answer:
Thorns and colour.
Explanation:
The thorns are there to protect the stem from being cut or wild animals trying to eat it.
The colour is there to attract insects and pollinators to come and spread pollen.
An organism that feeds on plant matter is a herbivore.
To the heart: pulmonary vein
Away from heart: pulmonary artery
