The digestive system
The organ that produces saliva.
What are the salivary glands?
The pale yellow substance makes up the majority of the blood.
What is plasma?
A weakened or inactive version of a pathogen that stimulates the body's production of antibodies that can destroy the pathogen.
What is a vaccine?
The gap between the axon of a neuron and the receiving cell.
What is a synapse?
Blood vessels that carry blood away from the heart.
What are the arteries?
The part of the digestive tract that covers the larynx when you swallow to make sure the food only goes into the esophagus.
What is the epiglottis?
This side of the human heart has only deoxygenated blood in it.
What is the right side?
This system's function is to regulate water balance and chemical levels in the blood.
What is the urinary system?
The fluid in which the brain floats and provides nutrition and support for the brain.
What is cerebrospinal fluid?
A chemical messenger released into the bloodstream that sends signals to distant cells, causing them to change their behavior in specific ways.
What is a hormone?
All the organs in this list are part of the digestive tract except one: stomach, pharynx, esophagus, liver, and small intestine.
What is the liver?
If there is oxygenated blood flowing through a vein, it has been in the lungs and is heading here.
What is the heart?
A type of lymphocyte that physically attacks a pathogen.
If this structure in the brain is not working, the two hemispheres will not be able to communicate.
What is the corpus callosum?
This is the basic unit of the nervous system.
What is a neuron?
The organ that food passes through first: the pharynx or the esophagus?
What is the pharynx?
This chemical gives blood its red color.
What is hemoglobin?
The nickname given to the pituitary gland to describe its function.
What is the master endocrine gland?
When you hear a sound, this part of your ear vibrates first.
What is the eardrum?
Your vocal cords are in this part of your respiratory system.
What is the larynx?
In this digestive organ, most of the absorption of nutrients occurs.
Tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and cells, located between the veins and arteries.
What are capillaries?
The gland in the body that produces tears.
What is the lacrimal gland?
There are 5 tastes the taste buds are sensitive to: salty, bitter, sweet, sour, and this.
What is umami?
The cells found in your blood responsible for blood clotting.
What are platelets?