Cirulatory system-The skeletal system has many different functions, including supporting the body and giving it shape, protecting internal organs, providing attachment surfaces for skeletal muscles, allowing body movements, producing blood cells, storing minerals, helping to maintain mineral homeostasis, and producing endocrine hormones
The function of circulatory system is to supply adequate amount of oxygen to all the cells of the body through blood. After running the the blood pressure rises to compensate the amount of oxygen required by the body. This is done by the help of signal sent by the brain to increase the heart rate. The function of heart is meet the demand of oxygen but to increase or decrease the rate of heart beat is under the control of nervous system. Any change in the body is first recognized by the nervous system and then it send the message to the circulatory to function according to the message received.
The infant lungs and central nervous system are proceeding to develop during the third trimester that is about 34 week. The skin has grown soft and delicate, and she's stretching out and growing also rounder.