True because all organic compounds have carbon
        
                    
             
        
        
        
Answer: Nervous system.
Explanation:
Nervous system is the system in the body that consists of nerves,cells that coordinates action and sensory information and transmit nerve impulses between the body and the brain. In the body, Ghrelin is an hormone or chemical produced in the stomach. This stimulate hunger by acting on neurons in the hypothalamus which make the nerve cells that cause hunger to increase in their activity and reduce hunger inhibiting cells. The hypothalamus produce two proteins that cause hunger: neuropeptide Y (NPY) and agouti-related peptide (AGRP. This create a signals and it is send to the brain. The brain interprete it as hunger and send the signal to the hypothalamus which then influence eating behavior.
 
        
             
        
        
        
Answer:
Animal cells would not have the materials needed to produce energy in cellular respiration.
Explanation:
 
        
             
        
        
        
About 37.2 trillion cells present in the body of an adult human.
 
        
             
        
        
        
...decrease in population until the fall season, where leaves are orange to suit the orange beetles