12+ Anatomy Of Lungs And Heart. The two chambers at the top of the heart are known as the atria, a right and a left. The heart is a muscular pump with four chambers and an equal number of valves.
44 видео 849 просмотров обновлен 19 сент. The heart has two types of valves that keep the blood flowing in the correct direction. Traditionally, the heart is described as having left heart and right heart chambers.
By the end of this section, you will be able to figure 1.
The heart circulates blood through two pathways: Structure of lungs each lung is conical in shape and is contained in its own pleural sac. Learn actively all the features of this organ and. By the end of this section, you will be able to figure 1.