Which two body systems work closely together to make sure your body remains in a stable condition

The Circulatory system helps in providing impure blood to heart and taking pure blood to cells with hemoglobin.

The respiratory system handles the coming of oxygen to body and out of carbon dioxide from body

The respiratory and circulatory systems work together to make sure your body is stable.

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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