11 Questions
What is the main function of glomerular filtration in the kidney?
Filtering out waste products from the blood
Why is the afferent arteriole wider than the efferent arteriole in the kidney?
To increase blood pressure in the glomerulus
What is retained in the blood after glomerular filtration?
Large plasma proteins and fat molecules
What is the role of the basement membrane around the glomerular blood capillaries?
To filter out large molecules
Why is glomerular filtration often referred to as ultrafiltration?
Due to its high hydrostatic pressure
How does glomerular filtration relate to excretion in organisms?
It facilitates excretion by removing waste products
Where does over 80% of the filtrate get reabsorbed into the blood?
Proximal Convoluted Tubule
Which structure reabsorbs 85% of mineral ions by active transport?
Proximal Convoluted Tubule
In which segment of the nephron does 100% of glucose and amino acids get reabsorbed?
Proximal Convoluted Tubule
Which segment of the nephron reabsorbs 80% of water back into the blood via osmosis?
Proximal Convoluted Tubule
Where do salts (Na+ ions) get reabsorbed by around 85% in the nephron?
Proximal Convoluted Tubule
Test your knowledge on the process of excretion and the anatomy of the kidney. Understand the removal of metabolic waste products and the function of glomerular filtration in the Malpighian corpuscle.
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