What the 4 main elements that living things are made of?

Answer 1

Some elements that are important for animals (including people) are calcium (Ca), for bones and muscles, chlorine (Cl) for digesting food, fluorine (F) for tooth enamel and iron (Fe) to help blood carry oxygen around the body.

Plants also need elements to survive and grow including magnesium (Mg) and chlorine (Cl) that help plantsconvert the Sun's energy into food. Some plants, such as grass, contain silica (Si), which makes them very strong.

Answer 2

Living things are made up of four main elements: carbon, hydrogen, oxygen, and nitrogen. These elements are essential for building important organic molecules such as carbohydrates, proteins, and nucleic acids that form the basis of life.

Answer 3

i think its carbon, nitrogen, oxygen, and hydrogen but im not sure. i know the first two are right. one of them might be phosphorus

Answer 4

lipids, proteins, carbohydrates, and nucleic acids

Answer 5

carbohydrates(sugars and starches)
proteins (made up of amino acid chains)
lipids(fats)
nucleic acids

Answer 6

Well, two of them are water and oxygen. I have no idea what the other two may be. Perhaps glucose?

Answer 7

nitrogen oxygen

Answer 8

meat, skin, veins, and organs