Across
- 2. - Vessels connect arteries with veins and cells.
- 5. - This organ is the largest in the humanbody
- 6. - This organ has four chambers.It pumps blood around the body.
- 7. - deliver oxygen and nutrient rich blood to all organs.
Down
- 1. - The control centre of the body,part of the nervous system.
- 3. - These organs are part of the respiratory system.
- 4. - takes blood, low in oxygen, back to the heart.
- 5. An important part of the digestive system,breaks down food using