<span>B is the closest answer. When an immune response is triggered, phagocytes are induced and they go to the site of the invasion by the foreign body. These then digest and destroy the bacteria that triggered the response. Other cells are also activated at this point to assist with the immune response.</span>
Stage 1 is the beginning of the sleep cycle and is a relatively light stage of sleep. Stage 1 can be considered a transition period between wakefulness and sleep. Stage 2 is the second stage of sleep and lasts for approximately 20 minutes. During stage 2 sleep, You become less aware of your surroundings.Body temperature drops. Breathing and heart rate become more regular. During stage 3 sleep: Muscles relax. Blood pressure and breathing rate drop. Deepest sleep occurs. During REM sleep: The brain becomes more active.
The body becomes relaxed and immobilized. Dreams occur. Eyes move rapidly.
Sedentary lifestyle, alcohol and other drug use, sexual activity, behaviors that cause injuries, tobacco use, poor eating habits
One thing you could do in order to measure your cardiovascular strength, you can do a full sprint. In order to improve this you can swim, jog, run, body weight exercised, and a balance diet.
