Who ever answers the most get branliest

2. Hair, Nails, Skin.
3. Heat, and keeps bacteria and dirt out.
4. Sensory receptors.
5. Pores
6. Salt and heat.
7. melanin.
8. It blocks UV rays from getting to the DNA, which would damage the DNA and possibly cause skin cancer over long periods of time.

You can actually go on google and search up Directed Reading A: Integumentary system 

And the answers key will come up

Dis correct. the rest of the answers are definitely wrong.without the basic needs like food, shelter and love , one will remain trapped in trying to fulfil these needs first which means putting food on the table and struggling to pay bills. it is impossible to achieve self actualization when without the basic needs which is the base.