Because he has immunodeficiency, he always pays attention to his health management.

This sentence contains an apostrophe.

The doctor prescribed me calcifediol.

Every morning, I spread confiture on bread and eat it.

The Falkland Islands are located in the South Atlantic.

Cycloolefins play an important role in organic chemistry.

Autophagy is one of the self-digestive actions of cells.

He was crowdsurfing at the concert.

He enjoyed crowdsurfing at the concert.

Macrophages are a type of cell that engulfs foreign substances in the body.