You'll most often hear A. 3,500, but no one knows where it comes from and may be faulty
Maybe because you had something that a bit of caffeine or sugar in it. You can dim your lights and try to read and then maybe you will fall asleep.
Skin acts as a barrier between invaders (pathogens) and your body.
Digestive system defense has enzymes. The enzymes in your stomach, pancreas, and liver help destroy pathogens.
The circulatory system contains immune cells called lymphocytes, which protect the body against antigens (viruses, bacteria, etc. ) that invade the body.
The respiratory system is a layered defense mechanism which relies on components of both the innate and adaptive immune systems to protect the lungs and the rest of the respiratory tract against inhaled microorganisms.
The body’s innate immune system (nervous system), its first line of defense, recognizes infectious microorganisms such as bacteria, and initiates a generalized short-acting response while summoning the body’s adaptive immune cells to mount a sustained and targeted attack.
I would probably choose the Vegatable food group because 1.Its healthy 2. You can grow up strong and 3.You will be more heathier than usual. Mind my grammer mistakes,but I hope this helps!
