Which are the major structures of the integumentary system? check all that apply. bones hair joints muscles nails skin tendons

The major structures of the integumentary system are hair, nails and skin.

The integumentary system are various structures (organs) that forms an outer protecting covering on the body. This system includes structures such as hair, nails, skin, feathers, shells, and scales. They function by protecting the body from several types of damage and they also perform other roles such as protecting the deeper tissues, controlling body temperature and removal of wastes.

/the trachea, commonly known as the windpipe

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.