Which substances is lost from the body of a healthy person by the kidneys, But not by the lungs A. Carbon dioxide
B. Glucose
C. Urea
D. Water

What is the first step in a life cycle of a plant reproduce sexually

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

Which beat describes the brain stem