Answer:
The correct option is b
Explanation:
Phospholipids are lipids that contains a phosphate group, which forms the "head" of the molecule and is hydrophilic (water loving). The "tail" of phospholipids is made of two fatty acids which are hydrophobic (water fearing). The phospholipid in the cell membrane acts as a selectively permeable barrier that regulates what goes in and out of the cell <u>thereby protecting the cell from some external molecules and ions</u>. 
 
        
             
        
        
        
Calcium is few of the main sources for healthy bones, teeth, and muscles. 
        
                    
             
        
        
        
Answer - Hypothalamus
Reasoning - In that area which is the hypothalamus it has concentrated nerve areas where its function can be (autonomic) such as temp, homeostatic, and basic remembrance. Just like what your reading now your automatically recalling what your reading.
 
        
        
        
The answer is:  " invasive " . 
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     "<span>The boa constrictor in the Everglades is an example of an <u>  invasive  </u><u /> species that is impacting local species."
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