Answer:
The three elements make up most of the human body are
1. Oxygen
2. Carbon
3. Hydrogen
Step-by-step explanation
The human body is made up of many different elements, but oxygen, carbon, and hydrogen these elements are present in abundance.
- Oxygen: oxygen is the first major element that is present in the abundant, about 65 percent total weight of a human body is made up of oxygen. Oxygen is consumed by both inhalation and exhalation process.
- Carbon: It is the second most important element of the human body, about 18 percent total weight of a human body is made up of carbon.carbon is consumed by the food material.
- hydrogen: It is the third major element of the human body, about 9 percent of the total weight of the human body is made of hydrogen. In a water molecule, two hydrogen are there.