Elements of the human body

What element(s) improve(s) the strength of bones and teeth?

• calcium

• iron

• phosophorus

• potassium

Two elements form one compound that makes up the majority of the weight of the human body. What are these two elements?

• hydrogen

• oxygen

• calcium

• carbon

The element that consists about 65% of the human body

• Carbon

• Calcium

• Hydrogen

• Oxygen

............................ are the building blocks of many important molecules in the body

• Hydrogen atoms

• Nitrogen atoms

• Carbon atoms

• Calcium

Is the element that helps in forming water and important in the release of energy for the body

• Phosphorus

• Calcium

• Nitrogen

• Hydrogen

Works with calcium to build strong teeth and bones

• Phosphorus

• Nitrogen

• Other elements

• Oxygen

Water forms about ..................... of the human body mass

• 70%

• 18.5%

• 3.3 %

• 1.5%

elements that is apart of DNA and amino acids that form proteins in the body

• Calcium

• Nitrogen

• Carbon

• Phosphorus