Which system creates blood cells?After running, Ollie’s blood pressure was high. His nervous system sensed this and sent a message to decrease heart rate and blood flow. ANSWER ASAP

Which system worked together with the nervous system?

A: skeletal system
B: circulatory system
C: respiratory system
D: digestive system

A

Explanation:

because the

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 correct answer is (b) Circulatory system

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.  

Explanation: