This species reproduces by asexual reproduction.

A urethral infection can be very painful.

He is working in the information system field.

Moderate exercise and a balanced diet are important for maintaining the health of the respiratory system.

This container is a keepsake from my grandmother.

My thyroid gland is functioning normally.

He is studying the function of glands.

He received the letter challenging him to a duel and began preparing for the duel.

He understands that the Earth is a sphere.

He was throwing a ball in the park.