This organ pumps blood throughout the body.
What is the heart?
This muscle helps you breathe by contracting and relaxing.
What is the diaphragm?
This tube connects the mouth to the stomach.
What is the esophagus?
This structure stores urine before it is excreted.
What is the bladder?
This male organ produces sperm.
What are the testes?
This type of blood cell helps transport oxygen.
What are red blood cells
These tiny air sacs in the lungs are where gas exchange occurs.
What are the alveoli?
This enzyme in saliva begins the breakdown of starches.
What is amylase?
These tubes carry urine from the kidney to the bladder.
What are the ureters?
This female organ is where a fetus develops.
What is the uterus?
These blood vessels carry oxygenated blood away from the heart.
What are the arteries?
This structure connects the larynx to the bronchi.
What is the trachea?
Most nutrient absorption occurs in this part of the digestive tract.
What is the small intestine?
These organs filter waste from the blood to produce urine.
What are the kidneys?
These female glands produce eggs and hormones like estrogen.
What are the ovaries?
This valve prevents backflow of blood between the left atrium and left ventricle.
What is the mitrial/bicuspid valve?
The flap that prevents food from entering the airway.
What is the epiglottis?
This muscular movement moves food through the digestive tract.
What is peristalsis?
This process in the nephron filters blood plasma into the Bowman's capsule.
What is glomerular filtration?
This hormone triggers ovulation in females.
What is the luteinizing hormone (LH)?
This part of the heart receives oxygen-poor blood from the body.
What is the right atrium?
The process by which oxygen and carbon dioxide are exchanged in the body cells.
What is internal respiration?
The first part of the small intestine, where most chemical digestion occurs.
What is the duodenum?
This hormone regulates water balance by increasing water reabsorption in the kidneys.
What is the antidiuretic hormone (ADH)?
The tube through which sperm travel from the testes toward the urethra.
What is the vas deferens?