Elements
I'm known as dihydrogen monoxide or H2O, and animals need me to survive! What am I?
What is water?
What organ pumps blood throughout the body?
What is the heart?
What is the basic unit of life?
What is a cell?
I'm an element found in water who is essential for all living cells.
What is oxygen?
What part of the skeleton protects your heart and lungs?
What is the rib cage?
What is DNA?
I'm the element which makes up the glittering diamonds on wedding rings, and the black coal that once powered locomotives around the world. What am I?
What is carbon?
What type of blood cells help fight infections?
What are white blood cells?
What is another word for an organism with multiple cells?
l'm the lightest element in the universe, with just one proton, what am l?
What is hydrogen?
What is the largest organ in the human body?
What is the skin?
What is the control center of the cell called?
What is the nucleus?
I'm the gas that makes up most of Earth's atmosphere. What am I?
What is nitrogen?
Which system in the body is responsible for breathing?
What is the respiratory system?
70% of a cell's mass is made of what substance?
What is water?