The characteristic of annelids is that their bodies are divided into ring-shaped segments.

It's difficult to understand the context of this sentence.

He was hit hard in the solar plexus during the boxing match.

Let's calculate the area of this right-angled triangle.

I am majoring in econometrics at university.

My father has been suffering from sciatica for a long time.

He became neurasthenic due to long hours of work.

If the motor nerves are damaged, you will lose control of your muscle movements.

Neurons are responsible for transmitting information in the brain.

This figure is an isosceles trapezoid.