Across
- 1. is a body fluid in humans and other animals that delivers necessary substances
- 3. blood vessels that carry blood towards the heart
- 4. an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs
- 6. largest artery in the body
Down
- 2. is one of four chambers of the heart
- 5. is the first chamber to receive deoxygenated blood returning from the body