What are the components of the circulatory system? what are their functions? :)

Cohesion and  surface tension. the cohesive forces between  molecules  in a liquid are shared with all neighboring  molecules. those on the  surface  have no neighboringmolecules  above and, thus,  exhibit  stronger attractive forces upon their nearest neighbors on and below the  surface

Using iodized salt aids thyroid gland to function normally cause thyroid uses iodine to produce thyroid hormone which is essential for proper growth in children and important in metabolism for all individuals