EXCRETORY SYATEM

EXCRETION

• Excretion- The act or process of discharging
• waste matter from the blood, tissues, or organs.

PARTS IN THE EXCRETION

• Excretion is the removal of waste products from the body. The organ
• involved in the excretory process are the skin, kidneys, lungs, and liver.The
• skin is an organ and part of the excretory process because it secretes sweat which
• is a waste product. The kidneys are organs that are a part of the excretory process.

STRUCTURE AND FUNCTION OF A KIDNEY

• The description of the structure and function of the kidney and its parts
• begins with the part of the kidney. The kidney is comprised of 3 main parts,
• the renal cortex, renal pelvis, and the medulla.

Nephron Functions

• The nephron is the basic functional and structural unit of the kidney.
• Its main function is to regulate the amount of water and soluble substances
• by filtering the blood and reabsorbing what is needed

difference between filtration and reabsorption

• Filtration basically cleans the blood from all the impurities caused by
• different items that we eat and even pollution