Chapter 5 – Bone Development, Growth and Structure Classification of Bones 1. Long Bones These bones are long and slender as are many of the bones in the upper and lower limbs. Examples include the humerus, radius, ulna, tibia and fibula. 2. Short Bones Short bones…
Chapter 24 – Respiratory System Overview of Respiratory System The respiratory system consists of all the tissue and organs designed to bring air to the gas exchange surface where oxygen is absorbed and carbon dioxide is released. The respiratory system can be divided into: upper…
Chapter 23 – Lymphatic System Overview The lymphatic system consists of lymphatic vessels, lymph, lymphoid tissues and organs. Lymph originates in the peripheral tissues and is delivered to the venous system. Lymph consists of: 1. Interstitial fluid 2. Lymphocytes…
Blood Vessel Distribution Pulmonary Circuit The pulmonary circuit begins at the semilunar valve of the pulmonary trunk that carries deoxygenated blood to the lungs. The pulmonary trunk divides into left and right pulmonary arteries that go to each lung. Blood is oxygenated in capillaries that flow…
Chapter 22 Cardiovascular System: Vessels and Circulation Histological Organization of Blood Vessels Walls of arteries and veins have three distinct layers: 1. Tunica interna a.k.a. tunica intima The tunica interna is the innermost lining of the…
Pulmonary Circuit The pulmonary circuit begins at the semilunar valve of the pulmonary trunk that carries deoxygenated blood to the lungs. The pulmonary trunk divides into left and right pulmonary arteries that go to each lung. Blood is oxygenated in capillaries that flow through the alveoli of the lungs. Oxygenated blood is then returned to the…
Chapter 22 Cardiovascular System: Vessels and Circulation Histological Organization of Blood Vessels Walls of arteries and veins have three distinct layers: 1. Tunica interna a.k.a. tunica intima The tunica interna is the innermost lining of the blood vessel. It is lined by endothelium, which is almost always…
Chapter 21 – Cardiovascular System: Heart Overview The heart is the pump that maintains the circulation of blood. This circulation of blood can be divided into two circuits: 1. Pulmonary circuit carries deoxygenated blood from the…