Answer:
Oxygen enters the lungs through the trachea, which branches into two tubes called the bronchi, which lead to the lungs.
Non deciduous are evergreen trees or Shade trees are not deciduous trees. evergreen plant leaves last throughout the year.
for example a pine tree or cedar plant would be considered non deciduous because they keep leaves\ last throughout the year.
The muscle cells divide through Mitosis, a cellular division comprised of several other substeps.
The final step of the cell division is the cytokinesis by which two new cells are formed from cell with a multiple number of nucleus after the replication process. This steps follow the telophase.