Answer:
When digesting food, acids in your stomach help break down the food particles to easily travel into your intestines!
Answer:
An invasive species
Explanation:
Invasive species come from other environments, many times on accident, but usually thrive so much that they end up taking over and starving other native creatures by taking the resources. Hope this helps! (Brainliest appreciated :))
The question is somewhat confusing. I would choose "none of the above" because none of the choices are blood vessels. However, the heart is the pump that moves blood through the network of blood vessels that distribute and collect materials throughout the body.