Difference between CNS and PNS

Central nervous system (CNS) Controls the voluntary functions like walking, laughing, reading, etc. and Peripheral nervous system (PNS) is responsible for the involuntary actions like blinking of eye, heartbeat, digestion of food, etc.

Difference between PCT and DCT

The cells present in the Proximal Convoluted Tubule (PCT) have brush border which is capable of absorption. Distal Convoluted Tubule (DCT) is the highly coiled part found in the medulla of the kidney.

Difference between Pheromones and Hormones

The Pheromones and Hormones are the chemical substances which are totally different in their functions. The pheromones act outside of the body of the animal or insect secreting it. The hormones act inside of the body of the animal or human being secreting it.