C Chromosomes break at centromeres,and sister chromatids move to opposite ends of the cell.
Because of underdeveloped lungs the frog has to breathe through moist skin. Therefore for exchange of gases the skin is thin and moist
Answer:
Glucose can used as a substrate and broken down in plant cells by the process of respiration. The chemical energy released by respiration can be used by the plant for cellular activities such as protein synthesis or cell division
Explanation:
Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
