This is how Paramecium eats and poops

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Paramecium is a single-cell microorganism found in freshwater habitats. Despite its small size, Paramecium displays complex behavior that is fascinating to observe.
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When it comes to eating, Paramecium uses a specialized structure called the oral groove. This structure is lined with tiny hair-like cilia, which are used to create a current of water that brings small particles of food towards Paramecium. Once the food particles are attracted to the oral groove, they are pushed to the gullet, a tubular structure that runs through the cell body.
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The gullet acts like a conveyor belt, moving the food particles to a small vesicle called the food vacuole. Inside the food vacuole, digestive enzymes break down the food particles into smaller molecules that are absorbed through the cell membrane and used for energy. In the video you can see how the food vacuole gets filled with tiny microorganisms.
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Despite being a single-cell microorganism, Paramecium displays complex behavior, such as its ability to sense and respond to changes in its environment. For example, Paramecium can move towards or away from light and can detect and avoid harmful chemicals. In this video it appears as if Paramecium is ambushing a swarm of microorganisms so that it can disperse them to eat them!
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Once the Paramecium has absorbed all the nutrients in the food vacuoles, it expels (poops) the waste products through the anal pore, located at the posterior end of the organism.
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It blows my mind that a single-cell microscopic creature can be as sophisticated! Biology is just amazing!!