The body’s water balance is maintained by this system.
What is the Excretory system?
100
This organ is where oxygen is exchanged between the blood and the circulatory system. These expand during inhalation and contract during exhalation.
What are the lungs?
100
This holds urine before it is released from the body.
What is the Bladder?
100
A pump that works every minute of life.
What is the Heart?
200
This organ of the digestive system is where nutrients are absorbed from food and go into the blood.
What is the small intestine?
200
Organs of this system are attached to muscles and often act as levers allowing movement.
What is the Skeletal system?
200
This tube connects the throat and nose to the bronchial tubes.
What is the Trachea?
200
These remove wastes from the blood and transfer them into urine.
What are the kidneys?
200
Blood vessels that carry away from the heart.
What are Arteries?
300
This moves food from the mouth into the stomach.
What is the esophagus?
300
This is the master system that senses the outside world, controls the body, and allows communication among all of the other systems.
What is the Nervous system?
300
Air passes through these just before it reaches the lungs.
What are the Bronchial Tubes?
300
The tube through which urine is eliminated from the body.
What is the Urethra?
300
Blood vessels that carry blood toward the heart.
What are Veins?
400
This absorbs water from food, stores wastes and eventually eliminates wastes from the body.
What is the large intestine?
400
This system is responsible for gas exchange between the body and the surrounding air.
What is the Respiratory System?
400
Carbon dioxide is released from the blood into the air.
What is exhalation?
400
Urine passes through these tubes as it travels from the kidneys to the bladder.
What are the Ureters?
400
The tiniest blood vessels, where the exchange of nutrients and wastes take place between the blood and the cells.
What are Capillaries?
500
This organ produces chemicals, such as digestive enzymes, that help digest food.
What is the pancreas?
500
The blood picks up oxygen from the lungs and nutrients from the small intestines and delivers them to they body’s cells. This enables them to create energy (cellular respiration).
What is the Cardiovascular system?
500
These are the tiny sacs where the exchange of oxygen and carbon dioxide takes place.
What are Alveoli?
500
How does urine move through the excretory system.
What is the KIDNEYS, URETERS, URINARY BLADDER, URETHRA?