<span>The somatic nervous system is known as the voluntary nervous system, is a part of the peripheral nervous system. It consists of neurons that are associated with skeletal or striated muscle fibers. It affects voluntary signaling for many resion. A large part of the PNS is composed of 12 pairs of cranial nerves and 31 pairs of spinal nerves.</span>
        
             
        
        
        
Answer:
The answer is A.
Explanation:
The CR endurance that is given in the question, or cardio respiratory endurance, can be described as the heart's, the muscles' and the lungs' ability to be able to work together effectively through extended periods of physical activity and it can be determined by measuring the amount of oxygen that the body uses in a minute during the said physical activity.
I hope this answer helps.
 
        
             
        
        
        
Answer:
true
Explanation:
lactase is the enzyme that leads to the hydrolisis of lactose, when lactose is present the e coli needs to hydrolyse it to simple sugars so it needs to active the gene for lactase synthesis
 
        
                    
             
        
        
        
Outer membrane or plasma membrane, cytoplasm, nucleus, ribosomes,