The Circulatory System is composed of (1. _______
(2. _________), and (3. ________)
The________ (4. Blood is the liquid part that is constantly flowing throughout the body. It is composed of the liquid part called______ (5. The red blood cells or also known as
________ (6. transport gases to and from the cells while the
________(7. ) play a vital role in the body's immune system. They fight bad bacteria, viruses and others that cause infection. The
(8. are blood vessels that carry oxygen-rich blood away carry deoxygenated blood back to from the heart while__________ (9. the heart. The heart is known as the_________ (10. organ of the body.​