Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 2 of 2 for Circulatory system
  1. Circulatory system (image) 
    Images ... Blood used by the body is brought back to the heart and lungs by the veins of the body. Once the blood has gathered more oxygen ...
    https://medlineplus.gov/ency/imagepages/8747.htm - Medical Encyclopedia
  2. Calcium source (image) 
    ... sources. Calcium deficiency also effects the heart and circulatory system, as well as the secretion of essential hormones. ...
    https://medlineplus.gov/ency/imagepages/18122.htm - Medical Encyclopedia