His actions are always proper.

I think his answer is correct.

The 正百二十胞體 is one of the regular polytopes in four dimensions.

His body is very healthy.

He made three robots.

He exercises his body every day.

His body looks like that of an athlete.

In plant cells, there is a large bag called a vacuole.

A cnidocyte is a special cell that organisms such as jellyfish and sea anemones possess.

The blastula stage is an early stage where the fertilized egg divides and becomes a cell with many cells.