Answer:
1. kidneys 2. Lungs 5. Pancreas
Explanation:
The body's balance between acidity and alkalinity in the human body is regarded as the acid-base balance which is measured on the basis of the pH and the concentration of carbon dioxide and bicarbonate in the blood. The organs that controls acid-base balance are lungs, kidneys and pancreas. Theses organs control blood pH by releasing carbon dioxide from the lungs because it is a waste product slightly acidic in nature and excreting excess of acids and bases from the body. 
 
        
             
        
        
        
Answer:
Skeletal muscles fibre are classified base on how the produce energy.
Explanation:
Skeletal muscles fibres consist of bundles of cells that form muscles which contain myobrills.
Skeletal muscles are classified based on how the produce energy;
Type 1 or slow pitch muscle fibres are more efficient and last for a long period of time. They are use for postural maintenance or endurance. It use aerobic respiration to produce energy or ATP.
Type 11 or fast twitch muscle fibres use anaerobic respiration and are for short speed and fatigue more easily than type 1.
 
        
                    
             
        
        
        
Answer:
A) NaCl will be exported from the red blood cells by facilitated diffusion.
 
        
                    
             
        
        
        
Answer:
I think that it's A.
Explanation:
It's not D, because A & C contrast each other.
 
        
                    
             
        
        
        
I think it’s a living host cell so sorry if I’m wrong yw if I’m right