ELI - Biology Crossword Puzzle

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Across
  1. 3. exchange The process that describes Oxygen entering the blood and Carbon Dioxide leaving it in the lungs. It is essential for energy production and pH balance.
  2. 4. Each of them filters blood, removes waste, balances electrolytes, regulates blood pressure, and maintains water balance.
  3. 6. Its nonstop action delivers oxygen plus nutrients while removing carbon dioxide and waste from the bloodstream.
  4. 8. Each of them performs gas exchange (described elsewhere) and is essential for cellular respiration.
  5. 13. intestine It is the primary site of digestion and nutrient uptake as it absorbs nutrients into the bloodstream.
  6. 14. Using acid and enzymes, it breaks down food; thus beginning the major steps of digestion.
  7. 15. Detoxifies chemicals, metabolizes drugs, produces bile, stores nutrients, and regulates blood chemistry.
  8. 16. Ensures the species survival.
  9. 17. regulation Endocrine glands release them to control growth, metabolism, reproduction, stress, and more.
  10. 18. Its impressive size is indicative of its many functions which include protecting against pathogens, regulating temperature, preventing dehydration, and providing sensory information.
  11. 19. The command center of the entire body, it is in charge of breathing, heart rate, memory, movement, sensation, etc.
  12. 20. One way to describe it is that it’s the body’s transport network. Whereby, the heart pumps blood to deliver oxygen, nutrients, hormones, and remove waste.
Down
  1. 1. signaling Electrical and chemical types of these allow sensation, movement, memory, and coordination.
  2. 2. It releases insulin and glucagon to regulate blood sugar and produces digestive enzymes.
  3. 5. and absorption This two-step process breaks food into molecules and absorbs them into the bloodstream to fuel every cell.
  4. 7. The process by which, kidneys, liver, lungs, and skin remove metabolic waste to prevent toxic buildup.
  5. 9. respiration Without this process, no cell can function. It converts glucose and oxygen into ATP, the body’s usable energy.
  6. 10. response Detects and eliminates pathogens, repairs tissue, and prevents infections.
  7. 11. It’s the master balancing act. Form it maintains stable internal conditions (temperature, pH, electrolytes, glucose).
  8. 12. gland Regulates metabolism, energy production, temperature, and growth through its aptly-named hormones.