Question

16.Follow the flow of blood through the heart. The heart consists of four chambers. The two chambers at the top are the _______________ and the two chambers at the bottom are the ____________________. Blood returns to the heart from the rest of the body through two major veins ( _________________________________) and enters the __________________ of the heart. The blood then flows through the ________ valve to the right ventricle. (The purpose of this chamber is to pump blood through a second valve (_______________________ valve) into the ________________________. This large artery divides into the ____________________________________, which transports the blood to the ____________ for gas exchange. Blood returns from the lungs via the ________________________ and enters the ___________ of the heart. The blood then passes through the ____________ to the____________________. (The purpose of this chamber is to pump blood through a fourth valve (___________ valve) to the largest artery called the ____________________________.) Blood flows from this artery to the every organ in the body where _____ is unloaded and _____ is picked up. The blood then returns to the _____________________ via the superior and inferior ___________________.

Answer 1