Answer:
Nephron is the functional unit of kidney. The kidney contains around 4 to 5 million of nephrons in their structure. These nephrons helps in the blood filtration.
The loop of Henley passes down the filtrate for the production of urine. The excess salt is removed from the loop and deposited in the medullary part of the kidney. This is important as the nephron can now become hyperosmotic medullary concentration and helps in the urine production.
Answer:
The answer is Fe and CO2 :)
I think it might be C? Sorry if its not!
Answer:
Active Transport uses energy (atp) to maintain homeostasis within cells. Organisms use energy contained in their cells to allow proteins to make channels in the membrane for transport.
