The excretory system rids the body of toxic chemicals, excess water, salts, and carbon dioxide while maintaining osmotic and ph balance. which three organ systems combine to form the excretory system?

a. digestive system, muscular system, respiratory system

b. integumentary system, respiratory system, urinary system

c. circulatory system, endocrine system, integumentary system

d. circulatory system, digestive system, urinary system

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.