His work progress is slow.

Well, let's get started!

Mr. Hiruma is my best friend.

The Y chromosome carries the genes that determine maleness.

I inherited my X chromosome from my mother.

This poster is designed in rounded sans-serif.

She has trypophobia, and feels discomfort when she sees things with many holes like beehives or corals.

He experienced nantaimori for the first time.

Sex chromosomes play a crucial role in determining the sex of an organism.

The pyramidalis muscle is one of the muscles located in the human abdomen.