Animal organs
Tissue- A group of cells with similar structure and functions
Muscular tissue- Contracts to bring about movement
Glandular tissue- Produces substances like hormones and enzymes
Epithelial tissue- Covers parts of the body
Organ- made of tissues or several tissues. An example is the stomach which contains:
Muscular tissue- Churns the contents
Glandular tissue- Produces digestive juices
Epithelial tissue- Covers the outside and inside of the stomach protecting from the strong stomach acid
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