The nervous system code for the difference in intensity between a gentle tap with a hammer and a hard blow with the hammer, is that the rate of neural firing and the number of neurons firing. Reflex hammer is a medical instrument used by practitioners to test deep tendon reflexes. Reflex tests are performed as part of a neurological exam, either a mini-exam done to quickly confirm integrity of the spinal cord or a more complete exam performed to diagnose the presence and location of spinal cord injury or neuromuscular disease.
The Y chromosome is 1/3 the size of the c chromosome and it contains bout 55 genes while the X chromosome had 900 genes
The loan from d to e represents evaporation
Human beings seek to build dams because because dams acts as water reservoirs. They are useful in releasing water in a controlled way, thus floods can be avoided. Moreover, hydroelectricity can be produced from this stored water. Helpful in irrigation process due to controlled release of water. Now-a-days these reservoirs of water are also utilized in aquaculture practices.