I need to see your answer choice in order to tell you which one the answer is! Add a picture and I’ll be glad to help
C. Realistic. If your goals are not realistic, then they are un-achievable and you will not make it.
The answer is B) red blood cells. I hope this helps!
Basically the main function of both of these has to do with blood. Arteries are important because they move blood away from the heart. Veins do the opposite of arteries and actually return blood back to the heart! They are both very important for the body.
Because your immune system becomes very weak so it will be most likely for a person to contract something