1. Arteries : Carry's blood away from the heart.
2. Veins : Carry's blood back to the heart.
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3. Capillaries : exchange of materials and gases between the cell and vessel takes place here.</span>
        
             
        
        
        
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. ... This is due to the higher forces needed to pump blood through the systemic circuit (around the body) compared to the pulmonary circuit.
Explanation:
The Human Heart — PT Direct 
 
        
             
        
        
        
Hey there!
Here is a simple food chain:
Grass >>> Grasshopper >>> Mouse >>> Owl
Hope this helps!
~Autumly
        
             
        
        
        
C. Hapliod, and are made when haploid spores undergo mitosis