BIOL 1080 Chapter Notes - Chapter week 8 material: Thoracic Cavity, Blood Vessel, Venule
Document Summary
Cardiovascular system: cardiovascular system: the organ system composed of the heart and blood vessels. The cardiovascular system distributes blood, delivers nutrients, and removes wastes: heart: a (cid:373)us(cid:272)ular pu(cid:373)p that keeps (cid:271)lood follo(cid:449)i(cid:374)g through a(cid:374) a(cid:374)i(cid:373)al"s (cid:271)ody. The hu(cid:373)a(cid:374) heart has 4 chambers: 2 atria & 2 ventricles: cardio(cid:448)as(cid:272)ular syste(cid:373) is the (cid:271)ody"s tra(cid:374)sportatio(cid:374) (cid:374)et(cid:449)ork. Coronary circulation: coronary circulation: the system of blood vessels that services the tissues of the heart tissue, coronary arteries: the arteries that deliver blood to the cardiac muscle. Ensures that the heart receives rich supply of oxygen and nutrients. Cardiac cycle: systole: contraction of the heart. Ventricular systole is contraction of the ventricles: diastole: relaxation of the heart. Atrial diastole is the relaxation of the atria. Ventricular diastole is the relaxation of the ventricles: cardiac cycle: the events associated with the flow of blood through the heart during a single heartbeat.
