What is the main purpose of the pig circulatory system?
To transport blood and nutrients throughout the body of the pig
What are the two parts of the pig circulatory system?
Pulmonary circulation and systemic circulation
What is pulmonary circulation?
The circulation of blood between the heart and lungs
What is systemic circulation?
The circulation of blood between the heart and the rest of the body except the lungs
How many chambers does a pig’s heart have?
Four chambers
What are the top two chambers of the pig heart called?
Atria (singular atrium)
What are the bottom two chambers of the pig heart called?
Ventricles
What lines the inner surface of the pig heart?
Endocardium, a type of smooth muscle
What is the normal heart rate of an adult pig?
70 beats per minute
What is the normal heart rate of young piglets?
200 beats per minute
What components make up blood?
Plasma, blood cells, and platelets
What is the function of platelets in blood?
Responsible for blood clotting
What do white blood cells do?
Fight disease-causing organisms like bacteria and viruses
What protein do red blood cells contain and what is its function?
Hemoglobin; it transports oxygen to all parts of the body
What role do arteries play in the circulatory system?
Transport blood from the heart to the entire body
What is the function of veins in the circulatory system?
Return blood to the heart
What are capillaries responsible for?
Helping cells receive water, oxygen, and nutrients while removing waste products
How does deoxygenated blood travel through the heart?
Collected by veins, reaches the atrium, then transported to the right ventricle, and to the lungs via pulmonary arteries
How is oxygenated blood transported from the lungs to the heart?
Carried by pulmonary veins to the left atrium
What is the final destination of oxygenated blood after leaving the left ventricle?
Pumped out of the heart into the aorta or the main artery
What is serum?
Fluid minus all cells and clotting factors
What is plasma?
Fluid including soluble clotting factors
Where can blood be collected from pigs?
Ear veins, jugular vein, facial vein, tail vein, orbital sinus
What are common bleeding ports in pigs?
External jugular vein, auricular (ear) vein, facial vein, orbital venous sinus