The root words in Thrombus and anticoagulant both have roots that refer to blood?

Yes, both "thrombus" and "anticoagulant" have root words that refer to blood.

- "Thrombus" comes from the Greek word "thrombos," which means "clot." A thrombus is a blood clot that forms inside a blood vessel, blocking the flow of blood.

- "Anticoagulant" comes from the Latin word "anticoagulans," which means "against clotting." Anticoagulants are substances that prevent blood from clotting.