Comparative anatomy

[Bernard NebelKeymaster]

It is significant to have kids note that regardless of the form of the animal, it has the same basic needs:
a) food that will supply both energy needs and nutrients for growth and maintenance of the body.
b) oxygen for oxidizing and releasing the energy from food
c) a means for disposal of wastes

The following is a diagram showing the internal anatomy of a grasshopper. Note how its organs are very different from those in humans in in terms of size and disposition. However, they serve the same basic functions: digestion, respiration, excretion, and circulation. Likewise it has a nervous system with sensory organs and a muscle-skeletal system.

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