Answer:
it would be 6
Explanation:
6 types of joints in the human body
The inner planets are those that orbit closer to the sun: mercury, venus, earth and mars.
Attending to the size this is the increasing order: mercury, mars, venus and earth.
Earth is the largest of the inner plantes.
I know all about this, but could you specify what you mean?
I would think of a unicellular organism or a plant, but I'm not too sure on this one, Just trying to help :)