BMAT Biology- Circulatory System Review Questions and Answers

What type of circulatory system do we have double - blood gets pumped twice What are the two circulations of the Heart ? pulmonary and systemic Describe pulmonary circulation Deoxygenated blood enters lungs via pulmonary arteries. passes through capillaries around alveoli. oxygenated via gas exchange and leaves lungs via pulmonary vein Describe systemic circulation blood pumped from left ventricle all organs and back to right ventricle blood leaves L ventricle through aorta, which arteries branch off of then capillaries. Superior vena cava and inferorir vena cava return the blood to the right atrium high pressure at start What is the name of vessels from gut to liver hepatic portal vein name of vessel from liver to heart hepatic vein muscle heart is made from cardiac What is special about cardiac musle involuntary contractions Describe the flow of blood in the heart deoxygenated blood enters right atrium via vena cava. tricuspid valve opens into the right ventricle. Semi-lunar valves open -blood into pulmonary artery. Oxygenated blood from lungs from pulmonary vein enters left atrium. bicuspid valve opens into left ventricle. Semi lunar valves open- blood into aorta What wall of the heart is thicker left ventricle wall How is the heart cells supplied with oxygen conary artiers What is the correct term for heart attack myocardial infarction