Why: There is some evidence that omega-3 fatty acids may ease anxiety symptoms and lift your mood by lowering levels of stress chemicals such as adrenaline and cortisol in the body. Caned fatty fish, such as tuna and salmon, walnuts, and flax seeds are all great sources of omega-3 fatty acids.
As you may already know from reading How Butterflies Work or Where do butterflies get their striking colors?, butterfly wings are made of very thin layers of a hardened protein called chitin.
Birds' wings have bones and feathers, where butterflies' wings are made of other things. Butterflies are also insects and not really related to birds at all.plit and merge into it. Answer by Alyssa Klix. Confidence votes 3. no they do not have bones in their wings. Butterflies have no bones. They have shells, not bones. Technically, the shell of an insect is called an exoskeleton, meaning a skeleton that is on the outside.