Which elements are found in all living and once things?

All living and once things contain carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur. These six elements are essential for life and are found in all living organisms, from bacteria to plants to animals. They are also found in many non-living things, such as water, soil, and rocks.

Carbon is the building block of all organic molecules, which are the molecules that make up living things. Hydrogen is the most abundant element in the universe and is found in water, carbohydrates, and proteins. Nitrogen is essential for plant growth and is found in proteins and nucleic acids. Oxygen is essential for respiration and is found in water, proteins, and carbohydrates. Phosphorus is essential for bone formation and is found in nucleic acids and phospholipids. Sulfur is essential for protein structure and is found in proteins and vitamins.

In addition to these six elements, living things also contain trace amounts of other elements, such as calcium, potassium, magnesium, and iron. These elements are necessary for various bodily functions, such as muscle contraction, nerve function, and blood clotting.