Biology
This organelle is known as the "powerhouse of the cell" because it generates energy in the form of ATP
What is the mitochondrion
This brain chemical makes you feel happy and motivated when you do something fun.
What is dopamine?
This structure in the circulatory system is responsible for pumping blood throughout the body.
What is the heart?
This liquid in your blood carries oxygen to your cells.
What is blood?
This is the only element that has one electron.
What is hydrogen?
The human body has this many pairs of chromosomes.
What is 23
The section of the brain that helps you think and feel.
What is the cerebrum?
This is the largest organ in the body
What is the skin?
This part of your body beats to help your heart pump blood.
What are the heart muscles?
This is the most abundant gas in Earth’s atmosphere.
What is nitrogen?
This scientist developed the theory of natural selection after studying finches in the Galápagos Islands.
Who is Charles Darwin?
A sudden loss of body control.
What is a seizure?
This organ filters waste from the blood and produces urine.
What are the kidneys?
The heart pumps blood to this part of the body to nourish it with oxygen.
What is the entire body?
This type of bond forms when electrons are shared between two atoms.
What is a covalent bond?
This blood type is known as the universal donor.
What is O negative?
This part receives signals from heat, cold, and touch?
What is the cerebrum?
This part of the body is responsible for sending signals between the brain and the rest of the body.
What is the spinal cord?
This type of blood vessel carries blood back to the heart.
What is a vein?
The pH scale measures the concentration of these ions in a solution.
What are hydrogen ions (H+)?
This biological classification system, created by Carl Linnaeus, organizes living things into hierarchical groups.
What is taxonomy?
The three main parts of the nervous system
What are the brain, spinal cord, and nerves?
These cells are responsible for transmitting electrical impulses throughout the nervous system.
What are neurons?
The heart has this many chambers.
What is four?
This term describes a substance that speeds up a chemical reaction without being consumed in the process.
What is a catalyst?