The stores the waste until it is ready to be expelled from the body. what is it urethra ,urinary bladder or ureter

What condition is most likely present when a normal p wave is negatively deflected?

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord

Ireally need to know this answer asap