During childhood , when they are young and first learning to talk
Answer:
B D F
Explanation:
circulatory to get the white blood cells to where they need to go
immune to create the cells and kill the invaders
nervous to tell the body HEY GET TO WORK!!!!
A serving size is how much of it you take for yourself, and portion size is how much out of the whole thing.
For example cheeto puffs, a serving size would be one of those little mini bags. but a portion, is probably just a section of the chips. mean serving size is how many youre going to eat but portion is just a chunk out of the entire thing
