The left ventricle is responsible for pumping oxygenated blood throughout the entire body, which requires a lot of work and pressure, hence why it is super thick.
        
             
        
        
        
Answer:
Plant cells have a cell wall, a large central vacuole, and chloroplasts, but a animal cell does not have those things.
Nucleus; contains DNA
Lysosome; breaks down nutrients and wastes
Vacuole; storage
Centrosome; has a role in Mitosis to seperate chromosomes
Chloroplast; photosynthesis
Endoplastic Reticulum; transport nutrients within the cell
Ribosome; protein synthesis
Mitochondria; breaks down glucose into ATP energy
Cell wall; a rigid membrane found in plants and some bacteria
Golgi apparatus; packages proteins made, exocytosis
Cell membrane; a flexible mebrane around eukaryotic cells
Hope this helped 
Brainliest please; i need it to reach the next rank
Explanation:
 
        
             
        
        
        
Answer:1
Explanation:Because gravity always pulls you down even when your standing on an object.
 
        
             
        
        
        
 Is the flu vaccine a answer? If so I’m pretty sure that’s the answer.