Answer:
Yes. Cells have 'cell receptors' that are used to receive messengers like hormones to communicate. Cell receptors have specific shapes that fit the shape of the messenger that they want to receive. Organs like the pancreas send our these messengers to the cells to order them to do different functions.
Question 5. A- it grew from tiny village to a boomtown
question 7. false
question 8. false
The location northward the Polaris climbs higher in the sky.
The ribs because there Ike a shield to the organs