when an animal is thirsty, it responds by drinking water
The macula densa cells monitor the NaCl content of the filtrate entering the distal convoluted tubule.
Define juxtaglomerular apparatus.
The juxtaglomerular apparatus, often referred to as the juxtaglomerular complex, is a kidney structure that controls how each nephron, or functional unit of the kidney, performs.
What are macula densa cells ?
According to the traditional paradigm, the distal nephron's macula densa cells serve as salt sensors and send chemical signals to the juxtaglomerular apparatus to regulate key kidney activities like renal blood flow, glomerular filtration, and renin release.
Learn more about macula densa cells here:-
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It’s b the pine tree has unprotected seeds, the apple tree has seeds in fruits
The human race may survive through survival of the fittest. basically whoever has the biggest stick wins! The body also could adapt to the lack of water so you could preserve your bodily resources and manage them better. Or you could just change the environment to benefit yourself and mankind!
The color spectrum from a rainbow.
The Electromagnetic spectrum from waves.
