In English guts are used to describe courage and what are other internal human organs used in language expression and what do they mean

In English, various internal human organs are used metaphorically to express different meanings. Here are a few examples:

Heart: The heart is often associated with emotions, love, and affection. Phrases like "follow your heart," "heartfelt," or "heartbroken" are commonly used to describe feelings and emotions.
Head/Brain: The head or brain is used to represent intelligence, thinking, and decision-making. Expressions such as "use your head," "wrap your head around something," or "put on your thinking cap" convey the idea of using your intellect.
Nerves: Nerves are related to anxiety, stress, or fear. Phrases like "get on someone's nerves," "nervous wreck," or "bundle of nerves" describe a state of unease or tension.
Lungs: Lungs are associated with breathing and freedom. Expressions such as "take a breath," "catch your breath," or "breathe easy" signify relaxation or relief.
Liver: The liver is often linked to anger or frustration. Phrases like "liverish," "vent your spleen," or "liver quiver" represent a state of irritation or annoyance.
Stomach: The stomach is connected to intuition or a gut feeling. Expressions like "trust your gut," "butterflies in your stomach," or "gut-wrenching" indicate a strong instinct or intuition.

These are just a few examples, and the usage of internal organs in language can vary depending on the context and culture.