Lymphatic System
Snakes have a circulatory system, sometimes called the vascular system.
The cadiovascular system, sometimes called the circulatory system when it includes the lymphatic system.
Closed circulatory system or sometimes called cardiovascular system
the circulatory system and the respiratory system are the names
Cardiovascular system.
an open circulatory system
closed circulatory system
The circulatory system.
Material moves from the respiratory system to the circulatory system by diffusing across a membrane in the air sacks called alveoli.
Its venules
heart
Material moves from the respiratory system to the circulatory system by diffusing across a membrane in the air sacks called alveoli.