Excretory System
Science Solutions from Chapter -1 - Excretory System
This chapter deals with the substances that need to be eliminated from the body. It discusses the different excretory organs in humans. It explains the external and internal structure of the kidney.
Practice Other Topics from Excretory System
This topic deals with the excretion and its significance in detail. It describes excretion as the elimination of urine constitute. It explains the elimination of carbon dioxide, excess salt, vitamins, water and bile pigments.

This topic describes the human excretory system. The human excretory system consists of a pair of kidneys, pair of ureters, a urinary bladder and a urethra. It discusses the structures of the excretory system in detail.

In this topic, we will learn the process of urine formation through three major steps. It discusses ultrafiltration, reabsorption and tubular secretion. Physical properties of urine are also described here.
