Year 10 Human definitions

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Across
  1. 2. A type of connective tissue that is firm and flexible; aids in the support of the trachea and bronchi
  2. 5. The process of exchanging oxygen and carbon dioxide between the bloodstream and the alveoli of the lungs
  3. 9. The largest artery in the body that leaves the left ventricle and takes oxygenated blood to the body
  4. 11. The immunity which results from the production of antibodies by the immune system in response to the presence of an antigen
  5. 13. The small air sacs where gas exchange occurs in the lungs
  6. 14. A group of different tissues that work together to carry out a job in a system
  7. 15. A bacterium, virus or other microorganism that can cause disease
  8. 16. The ribbed tube that carries air from the throat to the lungs
  9. 18. Smallest part of a living organism
  10. 19. The small airways that air passes through to the alveoli
  11. 22. The process of taking air in (inhalation) and out of the lungs (exhalation)
  12. 23. The lower chambers of the heart that pump blood, the left to the body, and the right to the lungs
  13. 24. A group of specialised cells that carry out a particular job
Down
  1. 1. Relating to the lungs. E.g. Pulmonary artery carries blood to the lungs
  2. 3. The short-term immunity which results from the introduction of antibodies from another person or animal
  3. 4. A group of different organs which work together to carry out a specific life process in an organism
  4. 6. Two large veins that return deoxygenated blood from the body to the heart
  5. 7. Cells found in blood that help defend it from infection such as bacteria and viruses
  6. 8. Small part of a cell with a particular job to do e.g. nucleus
  7. 10. A cell in the blood that carries oxygen and carbon dioxide throughout the body
  8. 11. The upper chambers of the heart that receive blood, the left from the lungs, and the right from the body
  9. 12. Very thin blood vessel that allows for passage of water, oxygen, nutrients, waste products from cells into the bloodstream
  10. 17. A blood vessel that carries blood away from the heart; carries mostly oxygenated blood
  11. 20. A form of indirect protection from disease when a large proportion of the population becomes immune to that disease
  12. 21. Process in a cell that converts glucose and oxygen to create energy (CO2 and H2O is also given off)
  13. 23. A blood vessel that carries blood toward the heart; carries mostly deoxygenated blood