Answer:
The main difference between microtubules and microfilaments is that microtubules are long, hollow cylinders, made up of tubulin protein units whereas microfilaments are double-stranded helical polymers, made up of actin proteins.
 
        
             
        
        
        
Palm trees mostly live in the Desert..
Hope i helped. If you need anything else ask me..
        
                    
             
        
        
        
Touching a hot pan and yanking your hand away--That is nervous system.
Going through puberty is controlled by the pituitary gland.
jumping up and down is controlled by the muscular system.
Breathing harder during a jog is controlled by the respiratory system.
Getting energy to sit through class by eating cereal and a banana is controlled by digestive system and muscular system.
hope it helps
        
             
        
        
        
The Right Ventricle sends deoxygenated blood to the lungs
Pls Mark brainliest
        
             
        
        
        
The answer is: massive stars create a lot of heavier elements. They produce much of the carbon and oxygen which is hugely important for humans and water respectively.