Describe the interactions of the nervous and muscular system. 50 points it will really me a lot.

Receptors in muscles provide brain with information about body position and movement.

2. Brain controls the contraction of skeletal muscle.

3. Nervous System regulates the speed which food moves through the digestive tract.

Explanation:

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.