Answer:
False, the cephalocaudal trend refers to the pattern of changing spatial proportions over time during growth
Instead of using animals in medical expereince, i think<< that scientests could test it on bacteria or humans, if it is safe enough.
Answer: "Hey are you doing ok?" "You have been acting not like yourself lately" "Hey, i'm coming over we need to talk" "Do you need help with anything? Seems like you are not doing ok"
Explanation:
Doing stuff they usually like doing, if they do not seem like they're having fun or enjoying it then you can see that something is up and ask what's going on.
