The kidney is an organ that collects wastes and excess water from the blood and sends them to the bladder where they are stored before being removed from the body. which two systems work together to perform this function? 1) immune and respiratory 2) circulatory and excretory 3) skeletal and nervous 4) digestive and circulatory

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.