What system was used by the colonists to send messages to each other?
Committees of Correspondence
The reproductive system relies on hormones, created by the endocrine system. In turn, the endocrine system receives and gives chemical messages such as testosterone and estrogen (Gender based, of course!) If you are female and pregnant, the nutrients (excretory), blood (cardiovascular), oxygen (respitory), and other life sustaining substances must be given to the fetus through the placenta and/or umbilical cord. All systems interwork with each other to maintain homeostasis.
The nervous system starts at the brain which processes all of the signals in the body. The spinal cord relays impulses to and from the brain. Then there are the neurons that extend to each part of the body. Each of these is responsible for sensing something and transmitting the ensuing messages to the brain.
1. Login to you Yahoo mail 2. When you are at the list with all your mail's- next to all the mail's there is going to be a box that is called Chat & Mobile Text 3. On the bottom of the box it says settings click on it. 4. Then it will say: Play Sound Alerts: For Incoming Chats Do not play a sound Mail Options Help Send Feedback You will have to click…