Heart

• The blood plasma is a yellowish liquid that makes up 55% of the bloods volume. Its role is to carry large structures like red blood cells, white blood cells, and platelets, as well as smaller dissolved substances. 

  Name as many of these smaller dissolved substances as you can. 

  Glucose

  Amino acids

  Fatty acids

  Glycerol

  Carbon dioxide 

  Urea 

  Antibodies 

  Hormones