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Salvatore who is a typical adult eating a well balance diet chances would be he will not need then to take vitamin supplements which is the answer. A balance diet is needed to have good health. It means to eat plenty from the 4 main groups and limit smaller from 5th group.
Answer:
Four major components
Explanation:
A- There are 4 major components of the blood.
1- Red Blood cells 45% of blood portion
2- White blood cells make up to 1% of blood proportion
3- Platelets less than 1% of the blood portion
4- Plasma 55% of the blood components
B- platelets are responsible for initiating the clotting process.
C- pathogens can enter into the body through airborne particles, skin contact, through food and body fluids.
