Compensation of the body to maintain cardiac output when wounded

During severe hemorrhage or blood loss in a rapid manner, in response the brain will send out signals to the heart to beat faster also the supply will have more concentration on the cognitive area of the body, this is why the feeling of weakness is felt. In order to sustain, there is also decrease in the space between the openings of the veins as the supply of blood and blood pressure decreases.

Amplify and switch electrical power and electronic signals