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Q10: The innermost layer of the vertebrate digestive
Q11: Muscles can only push,not pull.
Q16: Humans have a four-chambered heart with two
Q21: Which factor is responsible for causing the
Q23: Partly enclosed bodies of water where the
Q48: What is the function of the SRY
Q48: All viruses have an envelope around their
Q52: The portion of tooth that projects above
Q62: Fungi and _ are the main decomposers
Q80: Hydra,jellyfish,sea anemones,and coral are all members of