Out of the statements presented regarding the skeletal system, the last one would be the only true statement which says that there are 3 components to the sternum bone.
For the number of vertebrae that cover the spinal cord, there are around 31 segments that have it. For the pairs of ribs, there are 12 pairs of it. There are also 14 major facial bones. As for the components of the sternum bone, there are 3 components which are as follows: the manubrium, the body, and the xiphoid process.
        
             
        
        
        
Answer:
The correct answer is - covalent bond.
Explanation:
 
        
             
        
        
        
changing of stored chemical energy in food molecules to a form usable by organisms.
Explanation:
Cellular respiration involves the changing of chemical energy in food molecules to a form usable by organisms. 
During the process of cellular respiration, oxygen combines with food materials in form of glucose to release useful energy needed for life to function. 
Respiration can be pictured as the reverse process of photosynthesis in which chemical energy is produced. 
In respiration, energy is released from the food materials. 
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Cellular respiration brainly.com/question/344105
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They help neutralize the acids produced by the stomach.
        
             
        
        
        
Answer:
Cell types I and III are animal and fungal cells, which are most closely related since they are eukaryotic cells that are heterotrophic. Eukaryotic cells include plants, animals, fungi, and protists.
Explanation: