After running, ollie’s blood pressure was high. as a result, his nervous system sent a message to decrease his heart rate and blood flow.

Which system worked with the nervous system to maintain homeostasis?

skeletal

circulatory

respiratory

digestive

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.