Across
- 5. a system that in that system is the heart.
- 7. a part of the digestive system that a bolus of food reach stomach it continues the process, is a organ.
Down
- 1. blood to capillaries in the rest of the body.
- 2. carries nutrients and is yellow.
- 3. and in the lung are bronchioles, alveoli and capillaries.
- 4. is a part from the girls and is from the urinary system.
- 6. a part of the respiratory system that helps to