Answer:
The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria.
Explanation:
hope this helps
Answer:
flower is the part of a plant that is bright in colour and provides the pollen that is moved from plant to plant for pollination
Answer:
I'm not sure have you tried to or attempt it
