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.