Your venous system is a network of veins that carry blood back to your heart from other organs. We’ll explain the basic structure of a vein before diving into different types of veins and their ...

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. ... The systemic circuit supplies the organs and tissues of the body with oxygen and other nutrients.

The capillaries are the smallest type of blood vessel, and provide the bridge between the arteries and veins. Find out all about the blood, lungs and blood vessels that make up the circulatory system.

The systemic arteries transport oxygen-rich blood from the left ventricle to the rest of the body. ... The system makes up a closed circuit of vessels that transport blood around the body.

Heart has completely separated: 2 atria, 2 ventricles, 4 chambers, and adult bird has complete double circulation: low-pressure pulmonary circuit using the right side of the heart and a high-pressure ...

Free interactive and download to print GCSE Biology flashcards to help prepare for your GCSE exams. Revise topics such as animal organisation - gaseous exchange systems, digestion, transport ...

Heart has completely separated: 2 atria, 2 ventricles, 4 chambers, and adult bird has complete double circulation: low-pressure pulmonary circuit using the right side of the heart and a high-pressure ...