Function of integumentary system: PROTECTION<span>- barrier against infectious, chemical, radioactive, and physical damage.
- keratin and junctions block bacteria, fungi, and blunt objects.
-macrophages identify foreign particles and activate immune response.</span>
epithelial stomach cell>stomach lining tissue>stomach>disgestive system
Answer:
They go through many developmental changes. ... Studies by independent researchers show a link between pesticides and frog deformities.
Explanation: