Answer: C racing heartbeat
The alarm stage of stress is more popularly known as the fight or flight stage stage. It is in this stage that the brain sends signals to the different parts of your body taking the message that you are in a perilous situation. Upon receiving the messages and your body started to react, you can choose between the flight and fight response. You can either fight or flee away from that dangerous place. This alarm stage of stress as explained by the father of stress, Hans Selye is commonly characterized by fast and racing heartbeats.
Lung diffusion is your ability to pass oxygen into the blood from the air sacs of the lungs, and pass carbon dioxide (CO2) back into the lungs from the blood.
It is (B) it is strange but it does weaken the immune system
<span>The limbic system is a collective term for a group of nuclei, tracts, and cortical areas lying beneath the neocortical surface that covers the brain and that surrounds the thalamus at the core of the forebrain.</span>
