In a nutshell what is the relationship between kidneys and nephron

write in Spanish

El riñón está compuesto de nefronas.

Explicación:

La relación entre riñón y nefrona tiene una gran importancia. Nephron es la unidad funcional estructural del riñón. El riñón está formado por millones de nefronas. Nephrons tiene dos partes principales i. mi. una parte funciona como un filtro y ayuda a limpiar la sangre, esta parte se llama glomérulo mientras que la otra parte agrega materiales útiles nuevamente al torrente sanguíneo, esta parte de la nefrona se llama túbulo.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.

the answer is 100% density i've answered this question before and done the quiz myself.