Answer:
mouth ⇒ oesophagus (gullet, food pipe) ⇒ stomach ⇒ duodenum ⇒ ileum ⇒ colon ⇒ rectum ⇒ anus
Explanation:
Atom,molecule,cell,tissue,organism,population,ecosystem,biosphere.
False because the third line of defense is specific by identifying the foreign antigen and activating the antibodies that can bind to the invaders and eliminating the spread
Mitosis
because the cell split into two identical copies!
