I WONDER - What Is In Our Blood?

The video explains that human blood contains gold, approximately 0.2 milligrams, which is about 0.02% of blood. Besides gold, blood also contains elements like oxygen, carbon, and hydrogen. While gold is often used for aesthetic purposes, in the body, it helps transmit electrical signals and maintain joints.

How much gold is typically found in human blood?

• 0.2 milligrams

• 2 milligrams

• 0.02 grams

• 0.2 grams

Which of the following elements is NOT mentioned as being present in human blood?

• Oxygen

• Carbon

• Hydrogen

• Silver

What percentage of blood is made up of gold?

• 0.2%

• 0.002%

• 2%

• 0.02%

What is one of the roles of gold in the human body?

• To enhance skin color

• To improve digestion

• To store energy

• To transmit electrical signals

Apart from its role in the body, where else is gold commonly used?

• In clothing

• In medicine

• In jewelry

• In food