Final answer:
Animal cells use exocytosis to secrete mucus, peptide hormones, milk proteins, and digestive enzymes, but not cell wall material.
Step-by-step explanation:
Animal cells use exocytosis to secrete various substances.
However, they do not use exocytosis to secrete cell wall material because animal cells do not have a cell wall.
Animal cells use exocytosis to secrete mucus, peptide hormones, milk proteins, and digestive enzymes.