Across
- 2. a framework of bone or cartilage enclosing the brain of a vertebrate; the skeleton of a person's or animal's head.
- 7. a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
- 8. an organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity.
- 10. a disorder of structure or function in a human, animal, or plant, especially one that has a known cause and a distinctive group of symptoms, signs, or anatomical changes.
- 11. an internal or external framework of bone, cartilage, or other rigid material supporting or containing the body of an animal or plant.
- 12. the death of most or all of the cells in an organ or tissue due to disease, injury, or failure of the blood supply.
- 13. the red liquid that circulates in the arteries and veins of humans and other vertebrate animals, carrying oxygen to and carbon dioxide from the tissues of the body.
Down
- 1. any of a group of spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.
- 3. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
- 4. a dead body, especially of a human being rather than an animal.
- 5. an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
- 6. any of the pieces of hard whitish tissue making up the skeleton in humans and other vertebrates.
- 9. the invasion and growth of germs in the body.