Human Body Composition Quiz

What fraction of the human body is made up of water?

• One-third

• Two-thirds

• One-half

• Three-quarters

What is the role of water in blood?

• It helps to maintain blood pressure

• It transports nutrients and oxygen

• It assists in chemical reactions

• It helps to regulate body temperature

How does water help in maintaining blood pressure?

• By forming tears

• By being a component of spinal fluid

• By helping to maintain blood pressure

• By providing fluid to keep joints mobile

What function does water serve in bowel health?

• It helps to prevent constipation

• It assists in chemical reactions

• It helps to filter waste

• It forms tears to lubricate the eyes

In what way does water assist chemical reactions in the body?

• By regulating body temperature

• By assisting reactions like digestion

• By forming spinal fluid

• By providing fluid to joints

What is the role of water in excretion?

• It helps to form tears

• It helps the kidneys to filter waste

• It is a component of saliva

• It helps to maintain blood pressure

What is the significance of water in saliva?

• It helps to filter waste

• It is the key component, which helps swallowing

• It helps to maintain blood pressure

• It assists in digestion

What role does water play in spinal fluid?

• It helps to regulate body temperature

• It cushions the nervous system

• It assists in chemical reactions

• It helps to form tears

What is the function of water in tears?

• It helps to lubricate the eyes

• It assists in digestion

• It helps to filter waste

• It is a component of spinal fluid

Which of the following is a source of water according to the diagram?

• Meat

• Fruit

• Bread

• Cheese