Which of the following are parts of the Nervous System? Choose all the apply

Nerves

Brain

Heart

Skin

Spinal Cord

Lungs

Nerves, Brain and spinal cord

Explanation:the other choices are either part of the cardiovascular system or the respiratory system

answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).