The heart is the main part of the circulatory system.
the heart is part of the circulatory system in the body.
It is main organ of the system.
The two main parts are the heart and the blood vessels
The main organ of the circulatory system is the heart, and it pumps blood to the cells of organs and tissues, giving them oxegyn and removing carbon dioxide.
The heart and the blood vessels
The two main part of circulatory system are hearth and Arteries
The two main part of circulatory system are hearth and Arteries
the heart is part of the circulatory system in the body.
river of life that is BLOOD
The heart and blood vessels are the main organs of the circulatory system. The lungs are part of the respiratory system.
It is main organ of the system.
The cadiovascular system, sometimes called the circulatory system when it includes the lymphatic system.
An artery is a part of the circulatory system, the main organ could be considered the heart
The two main parts are the heart and the blood vessels
Because it is the pump that drives the blood throughout the body.
The Heart is the main organ of a circulatory system.
the heart is the main circulatory organ of the frog