<h1>ANATOMY, PHYSIOLOGY AND REPRODUCTION OF FARM ANIMALS</h1> CONTENT <ol> <li>The Circulatory System</li> <li>Functions of the Blood</li> <li>Pulmonary Circulation</li> <li>Systematic Circulation</li> <li>Differences between Artery and Vein</li> </ol>   <h2>The Circulatory System</h2> The circulatory system is made possible by blood and heart including arteries, veins and capillaries. The heart is the main organ and the pumping station of the blood. The pumping action is referred to as heartbeat, the heart is made up of tough muscles called the cardiac muscles and they are located in the pericardium region of the thoracic cavity.   <h2>Functions of the Blood</h2> The functions of blood in the body of animals include the following: <ol> <li>It transports food, including vitamins.</li> <li>It carries oxygen to all parts of the body.</li> <li>It protects the body against diseases.</li> <li>It transports chemical regulators.</li> <li>It maintains the temperature of the body.</li>

<h1>ANATOMY, PHYSIOLOGY AND REPRODUCTION OF FARM ANIMALS</h1> CONTENT <ol> <li>The Respiratory System</li> <li>Types of Respiration</li> </ol>   <h2>The Respiratory System</h2> Respiratory system includes all the organs and tissues associated with the exchange of gas between the animals and its environment leading to the release of energy. This system is responsible for the gaseous exchange. The components of this system are trachea and lungs. Trachea branches to two bronchi which divide into bronchioles which all terminate in small sack-like alveoli. The lungs consist of the bronchioles, alveoli and blood vessels. The blood carries oxygen away from the lungs to the tissues and carbon (iv) oxide from tissues back to the lungs. Gaseous exchange takes place around the alveoli. The entrance to the trachea is guided by the epiglottis which permits only air to pass through. <img class="size-full wp-image-55138 aligncenter" src="https://classhall.com/wp-content/uploads/2019/08/respiratory-system.jpg" alt="Anatomy, Physiology and Reproduction of Farm Animals - Respiratory system" width="433" height="371" />