The human respiratory system<span> is a series of organs </span>responsible<span> for taking in oxygen and expelling carbon dioxide. The primary organs of the </span>respiratory system<span> are lungs, which carry out this exchange of gases as we breathe.</span>
        
             
        
        
        
Answer:
ayúdame por favor lo necesito
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Vacuoles are storage organelles that are found in both animal and plant cells. They store food or any other forms of nutrients, they also store waste products so as to protect the contamination of the cell environment. These waste products are sent out of the cell via vacuoles. In plants the vacuoles are larger than in animals. The vacuole provides plant nourishment in the scarcity of water in the external environment hence, prevents the wilting of plants.
 
        
             
        
        
        
The hot plate is the greatest hazard do to the fact that the hot plate will be hotter than the water. It is also plugged into the wall so there is a hazard of if water is spilled onto the hot plate. You could get burned by the electrical water and cause a fire.
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