All of the above, are true
I'm pretty sure the answer is C because you need to let the child learn on his/her own.
Answer:
Interacting with Other Systems
Explanation:
The immune system is like a small police force that constantly patrols every organ and tissue in your body. It works closely with the circulatory system for transportation needs and the lymphatic system for production of lymphocytes.
Milk is vitamin D fortified, making it the correct answer out of your options
let me know if you have any other questions
:)