- Next week, do blood vessels below the heart. - To help with the lab, there are a number of photos and diagrams on the bench. Start your dissection with the heart. Make a medial incision on the ...

What Is the Respiratory System? The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide. All the cells in your body need ...

Reference Article: Facts about the human circulatory system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system, also known ...