38. Which of the following organ systems are considered major systems that you should know?
a) Circulatory, respiratory, reproductive, lymphatic, heart, blood vessels, aorta, integumentary
b) Muscular, urinary, digestive, nervous, endocrine, integumentary, pancreas, thyroid, stomach, ovaries, uterus, spinal cord, urinary, skeletal
c) Skeletal, cardiovascular, male reproductive, female reproductive, digestive, respiratory, lymphatic, nervous, endocrine, muscular, integumentary, urinary
d) Skeletal, respiratory, cardiovascular, lymphatic, male reproductive, female reproductive, kidney tubules, liver, small intestine, gall bladder