Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structures and functioning?
Answers
Answer:
Alveoli and nephron act as the structural and functional units of lungs and kidneys respectively. Alveoli occur in the respiratory system while the nephrons occur in the excretory system. The cell wall of alveoli and nephrons is thick and surrounded by blood capillaries. Let us have a detailed look at the differences between alveoli and nephrons with respect to its structure and function.
Comparison:
Alveoli: 1. Alveoli are the tiny air sacs present in lungs that allows rapid exchange of gases.
2. Present in lungs
3. There are located in the respiratory system
These are located in the
4. There are around 480 million alveoli found in each lung
5. These are sac-like structures
6. Pulmonary arterioles supply blood
7. Blood is supplied to pulmonary veins
8. Facilitates gaseous exchange in lungs
9. Made up of simple squamous epithelium
Nephrons: 1. Nephrons comprise glomerulus and tubules through which glomerular filtrate passes.
2. Present in kidneys
3. These are located in the excretory system
4. Here re around 1.5 million nephrons found in kidneys
5. These are tubular structures
6. Afferent arterioles supply blood
7. Blood is supplied to renal veins
8. Facilitates blood filtration to produce urine
9. Made up of simple cuboidal epithelium with microvilli.
Alveoli are tiny air sacs present in the lungs with the appearance of a bunch of grapes. These are also known as pulmonary alveoli. They mainly facilitate the exchange of gases. Whereas, nephrons are divided into renal corpuscle and renal tubule. These are mainly concerned with blood filtration.
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