Digestive system: A number of the 'heart' herbs will support the system, including Rosemary, Linden, Motherwort, Yarrow, Angelica, Garlic and Balm.

Urinary system: Most of the herbs that have a direct impact in aiding the heart's action will increase the amount of blood passing through the kidneys and so act as diuretics. Yarrow is an herb that is used in urinary problems, as is Broom. Any cardiac-active properties must be taken into account, especially with Broom.

Reproductive system: The cardiac tonics are not directly involved in the functioning of this system. Yarrow may play a dual role but only very slightly.

Muscles and Skeleton: Herbs that act as circulatory stimulants and in this way act on the whole system, play an important role in the musculo-skeletal system by increasing peripheral blood flow. This may reduce swelling and ease stiffness. Such herbs include Cayenne, Ginger, Prickly Ash, Mustard and Horseradish.

Nervous system: Motherwort, Linden, Balm and Rosemary all have a relaxing effect on the nervous system. As we shall see, many nervines help the circulatory system by relaxing the mind and body as a whole.

Skin: The only directly applicable remedy here is Figwort. However, where the skin problem is due to varicosity in veins, then cardiac tonics are very important, for example, Hawthorn, Horsechestnut, Yarrow and Linden.