Respiratory System
Digestive System
Circulatory System
Muscular System
Excretory System 2
100
I am made up of about 3 million air sacs
What is the lungs
100
Separates the opening of the trachea from the opening of the esophagus
What is the epiglottis
100

The main organ of the system

What is the heart

100
This type of muscle is found in digestive organs, blood vessels and other internal organs
What is smooth muscle
100
Situated high up on the wall of the abdomen, these organs are responsible for urine formation
What are the kidneys
200
Assists in pushing air into and out of the lungs
What is the diaphragm
200
Substance produced by the liver, used to break down fat
What is bile
200

Prevents blood from flowing backwards

What is a valve

200
This type of muscle is found only in the heart
What is cardiac muscle
200
The organ that turns excess amino acids into urea
What is the liver
300
A part of the lung that assists in exchange of oxygen and carbon dioxide
What is the alveoli
300
Found in the stomach and helps to break down food
What is gastric juice
300

The first chamber oxygen rich blood enters

What is the Left Atrium

300
Helps to join muscles to bones
What are tendons
300
This tube connects the kidneys to the bladder
What is the ureter
400
Use of food and oxygen for energy
What is respiration
400
Chemicals that speed up digestion of food
What are enzymes
400

The three types of blood vessels

Arteries, Veins, Capillaries

400
If my biceps are relaxed and my triceps are contracted i am probably...
What is extending my arm
400
Contracts to allow urine to pass into the urethra
What is the sphincter muscle
500
Hair like structure that cleans the air entering the nasal cavity and throat
What is cilia
500
The organ in which digestion ends
What is the small intestine
500

What allows red blood cells to transport oxygen

What iron or hemoglobin

500
When the muscle keeps contracting and cannot stop it is said to have this...
What is a cramp
500
The blood vessel that carried blood from the aorta to the kidneys
What is the renal artery
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