Across
- 3. an organ is a pump that keeps the blood moving through these vessels
- 4. also known as a leukocyte which are suspended in blood plasma and occupy the interstitial fluid between cells
- 6. Juice a mixture of water, mucus, salts, hydrochloric acid, and enzymes
- 9. is the entrance of food in the digestive tract
- 15. are saucer-shaped disks that participate in the exchange of oxygen and carbon dioxide
- 16. is an immediate, localized reaction to an injury or to any pathogen that breaches the body's barriers
- 18. is the liquid matrix of blood
- 20. T Cells divide and differentiate into memory cells and into effector cells that help activate cytotoxic T and B cells
- 22. is a condition in which the immune system lacks one or more essential components.
- 23. when dehydrated these receptor cells in hypothalamus to send impulses in the posterior pituitary gland
- 24. cancers in which bone marrow overproduces white blood cells
- 28. the protein that carries oxygen
- 29. uses inorganic raw materials like water and carbon dioxide to make its own food.
- 30. the chamber in heart where blood exits
Down
- 1. small intestine's lining; tiny fingerlike projections that absorb nutrients
- 2. is a substance that stimulates active immunity against a pathogen without causing illnesses
- 5. the most common measure, is equal to weight/height^2
- 7. is an immune reaction to a harmless substance
- 8. are predators or scavengers that eat the flesh of other animals
- 10. substances required for metabolism, growth, maintenance, and repair
- 11. is the elimination of theses metabolic wastes
- 12. the colorless fluid of the lymphatic system, forms when plasma seeps out of blood vessel into intestinal fluid
- 13. are Y-shaped proteins that recognize specific antigens.
- 14. a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus
- 17. a reaction in which the cells clumped together
- 19. is the fluid of the circulatory system
- 21. any molecule that stimulates an immune reaction by B and T cells
- 25. Cava a large vein carrying deoxygenated blood into the heart
- 26. are small, colorless cell fragments that participate in blood clotting
- 27. the 3rd stage where the nutrients enter the cells lining the digestive tract and move into the bloodstream to be transported