Nervous System
The main organ that runs the nervous system.
What is the brain?
This is the longest organ in the digestive system.
What is the small intestine?
This is the longest bone in the human body.
What is the femur?
This muscle in the upper arm is responsible for flexing – bending the elbow to bring the wrist closer to the shoulder.
What are the biceps?
This is the female reproductive organ which releases eggs.
What are the ovaries?
The main units of the nervous system.
What is the neuron?
This digestive organ is responsible for filtering poisons out of the blood.
What is the liver?
The flat bone in the middle of the chest.
What is the sternum?
These are the main components/building blocks of muscles.
What is protein?
The process in which eggs are released from the ovaries.
What is ovulation?
This is how neurons communicate with each other.
What is electrical and chemical communication/signalling?
This is the main organ that stores bile (also known as gall) after it is made in the liver, before being released into the intestine.
What is the gallbladder?
The smallest bones of the human body.
What are the ear bones (malleus, stapes, incus)?
This wide, flat muscle controls our breathing.
What is the diaphragm?
This hormone is responsible for male sexual traits and characteristics.
What is testosterone?
This is the gap between two neurons where communication occurs.
What is the synapse/synaptic cleft?
This is the name of the rhythmic, wave-like squeezing motions that move food through the digestive system.
What is peristalsis?
This is the main component that makes up bones.
What is calcium?
These tissues connect muscles to bones.
What are tendons?
The number of chromosomes in a human sperm or egg cell.
23 chromosomes.
The material that wraps around a neuron to speed up signals.
What is a myelin sheath?
This is the acidic substance in the stomach that helps break down food.
What is hydrochloric acid?
This condition is due to a gradual loss of bone density and strength.
What is osteoporosis?
This is the type of muscle tissue that makes up your heart.
What is cardiac tissue?
The part of the female reproductive system that a fertilized egg attaches to and develops a fetus.
What is the uterus?