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- The two lungs are the primary organs of the respiratory system. They sit to the left and right of the heart, within a space called the thoracic cavity. ...
- Skip navigation An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs ...
- When the bladder fills with urine, sensory nerves send impulses to the brain telling it the bladder is full. The nerves connect with other nerves in the ...
- Skip navigation An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs ...
- Balloon angioplasty is a procedure used to open narrowed or blocked arteries. It uses a balloon attached to a catheter that's inserted into an artery. ...
- The force of blood on artery walls is called blood pressure. Normal pressure is important for the proper flow of blood from the heart to the body's organs ...
- Skip to main content Transforming the understanding and treatment of mental illnesses. Search the NIMH Website: Información en español Celebrating 75 Years! ...
- Allergens, like pollen, are nothing more than foreign plant antigens. When they get released into the air, you can see and hear the result.When allergens ...
(National Institute of Mental Health) 