An alimentary canal is a digestive tract that is complete and has two openings which are the mouth and the anus. On the other hand a gastrovascular is a digestive tract that has only one opening. The advantage of the alimentary canal is the fact that intake of food can still go on even during digestion. This will enable a more complete digestion.
the sperm finds an egg and that egg equals a baby
Answer: You, Digestive system, Stomach, Epithelial Tissue, Parietal cells.
Explanation:
Answer:
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Lungs, pleurisy is a disease that affects the wall in between the lungs, that worsens with breathing
