Excretory System — Chapter Summary
ICSE · Class 10 · Biology
Summary of Excretory System for ICSE Class 10 Biology. Key concepts: Excretion is the removal, The human excretory system and Kidneys are bean.
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Excretion is the removal of metabolic wastes from the cells or the body of an organism. In humans, the excretory system works mainly through the kidneys, which remove nitrogenous wastes, excess water, and salts. The system also includes the ureters, urinary bladder, and urethra. Other organs such as
Key Concepts
Excretion is the removal of metabolic
Excretion is the removal of metabolic wastes from the cells or the body of an organism. It helps remove harmful waste materials and keeps the body fun
The human excretory system consists
The human excretory system consists of two kidneys, two ureters, one urinary bladder, and one urethra. The kidneys are the chief excretory organs, and
Kidneys are bean
Kidneys are bean-shaped organs present in the abdominal cavity below the diaphragm. The right kidney lies at a little lower level than the left kidney
The nephron
The nephron, also called uriniferous tubule, is the structural and functional unit of the kidney. Each human kidney contains about 1.2 million nephron
The Malpighian capsule is made
The Malpighian capsule is made of Bowman's capsule and a bunch of capillaries called the glomerulus. Blood enters the glomerulus through a wide affere
Learning Objectives
- Understand the meaning of excretion and its importance in the body
- Identify the main parts of the human excretory system
- Describe the structure of the kidney and nephron
- Explain urine formation in three steps
- Understand the role of hormones in water balance
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