Identify at least one contribution to overall nutrition provided by each of the 12 organ systems of the body

Neural help you move your body and help get away or to better places, endocrine protects your body from foreign pathogens, your immune system help get rid of any bad pathogens in your body, reproductive systems help you spread your offspring, your digestive system helps with your nutrition and hormones being in balance, your resperation help you supply oxygen to the body, and your skeletal system gives your body form and help moving, your muscular help with moving and staying healthy, your cardiovascular helps with pumping white and red bloodcells into your body.

What happens to the influenza virus every 20-40 years and why?

A. true this is the correct answer