I believe carbohydrates and nucleic acids are 2 of the 4 main types of polymers. :)
100 thousand million stars
The answer to this question is Sphere
A dodecahedron has angles and edges
oxygen flow is low and his lungs do not have a lot of capacity
Cardiac muscle tissues are in the walls of the heart, striated and have involuntary control. Skeletal muscles tissue is in all muscle that are connected to the bones of the skeleton, these are under voluntary control. Smooth muscle tissue are in hollow organs beside the heart and are spindle shaped.