This parasite depends on a specific host for survival.

Parasites live inside the host's body and steal nutrients.

He found out that there was a foreign object inside his body.

He took my mobile phone by force.

This food is rich in nutrition.

He is living a simple life.

My life has become busy recently.

My biological clock is completely messed up.

I am majoring in parasitology at university.

That beautiful flower immediately grabbed attention.