Animal Digestion: Animals eat from garbage heaps and drink sewer water. But why don't they get upset stomachs despite this? Let's find out the reason behind it.

Animal Digestion: We've all often seen animals fearlessly eating from garbage heaps, drinking drain water, or chewing on things that could land a human in the hospital. Yet, despite this, the animals' health remains unaffected. Let's explore the reasons behind this and how their immune systems are so strong.

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Outdoor animals have evolved digestive systems to survive in harsher and more invasive environments. Their stomachs are designed to tolerate microorganisms, dirt, and toxins. This acts as a kind of built-in defense.

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The stomachs of cattle, buffalo, goats, and other ruminants are divided into compartments called the rumen and reticulum. These contain billions of microorganisms that can break down cellulose, harmful bacteria, and even toxic plant compounds. Food undergoes this entire process before reaching the sensitive parts of the stomach.

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Many animals produce stomach acids much more potent than humans. Their stomach acids can easily destroy E. coli, Salmonella, and other pathogens found in waste or sewage water. This acid acts as a natural disinfectant when contaminated food is ingested.

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Animals encounter bacteria, parasites, and toxins every day. Over time, their immune systems have evolved to recognize and better respond to these threats.

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Animals have a dense population of microorganisms in their intestines that act like bodyguards. These bacteria overcome harmful bacteria and aid digestion, while also acting as a biological shield within their gut.

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Even if animals seem to eat anything, they rely on instinct to avoid highly toxic substances. Their senses, especially smell and taste, alert them to any food that is too strong or harmful.