Question

which of these can be part of an animals digestive system? select all that apply.
heart anus mouth stomach
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Explanation:

The heart is part of the circulatory system, not the digestive system. The anus, mouth, and stomach are parts of the digestive system. So we need to deselect the "heart" option and keep the "anus", "mouth", and "stomach" options selected.

Answer:

• Deselect "heart".
• Keep "anus" selected.
• Keep "mouth" selected.
• Keep "stomach" selected.