Circulatory system
Heart /hɑːrt/ Noun A muscular organ that pumps blood through the circulatory system by rhythmic contractions. Tim Example: The heart has four chambers: two atria and two ventricles. Related: cardiac, cardiology. Artery /ˈɑːrtəri/ Noun A blood vessel that carries oxygenated blood away from the heart to the body tissues. Động mạch Example: The aorta is […]