6.18 What are you made of?

What is water composed of?

• Carbon and Nitrogen

• Hydrogen and Oxygen

• Oxygen and Carbon

• Hydrogen and Nitrogen

Tags

NGSS.HS-ESS2-5

Which element makes keratin hard and rigid?

• Carbon

• Hydrogen

• Oxygen

• Sulfur

What are human body tissues and organs mainly made of?

• Carbon, Hydrogen, Oxygen

• Hydrogen, Oxygen, Sulfur

• Oxygen, Nitrogen, Sulfur

• Carbon, Nitrogen, Phosphorus

Tags

NGSS.HS-LS1-6

What is a common symptom of iron deficiency?

• Problems with senses and memory

• Tiredness

• Reduced growth in children

• Weak bones and frequent fractures

What is iodine deficiency associated with?

• Brain damage

• Tiredness

• Swelling of thyroid gland in neck

• Shortness of breath

What percentage of children in Tanzania had iodine deficiency in the 1980s?

• 80%

• 7%

• 50%

• 25%

What is the main source of oxygen for humans?

• Food

• Sunlight

• Water

• Air

Which compound should come from food and drink for humans?

• Proteins

• Carbohydrates

• Fats

• Vitamins

A human body with a total mass of 50 kg, contains enough .......................................to fill a classroom.

• Hydrogen

• Oxygen

• Nitrogen

• Carbon

• Phosphorus

A human body with a total mass of 50 kg, contains enough .......................................to fill a room in a house.

• Hydrogen

• Oxygen

• Nitrogen

• Carbon

• Phosphorus