thrombosis

"The single-celled organism was studied by the biology students in their science class. "

"Due to the sheer volume of guests, we had to have two sittings for the meal."

"My baking skills have developed significantly since I started taking the online course. "

"The circulation of the school newspaper ensured that all students received the latest updates. "

"The fallen tree caused a major obstruction in the road, blocking traffic. "

"My dad took the airplane to visit his sister in another city. "

"My grandfather helped me with my math homework. "

"After being immobile for a long time on the airplane, the doctor warned Sarah about the risk of thrombi forming in her legs. "

"The harbor was full of vessels, from small fishing boats to large cargo ships. "

"The lightning caused thunder."

"The intricate formation of the puzzle pieces allowed the child to assemble a picture of a dog. "

"The pipe is blocked."