Scientists distinguish whether an entity is living or non living by describing life

What do animals wth echolocation have in common other than echolocation

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.