Which are the major structures of the integumentary system? Select three options.

bones
hair
joints
muscles
nails
skin
tendons

Correct options: Hair, Skin, and Nails.

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for