A developing fetus requires a tremendous amount of nutrients for growth and development, which systems interact to maintain homeostasis in the
mother.
The circulatory system decreases its volume of blood in order to ensure that
both mother and fetus receive an equal amount of nutrients
The nervous system increases its signals to the musculoskeletal system so that
both mother and fetus develop properly
The circulatory system increases its volume of blood in order to ensure that the
proper nutrients are available for both mother and baby in the reproductive
organs.
The nervous system decreases its signals to the musculoskeletal system so that
the mother experiences decreased pain during pregnancy.