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Answers
1. A Photic sneeze reflex can occur when some people are in the sunlight.
2. Metal replacement pieces are used for joints.
3. Over 250,000 of these glands exist in the foot. → Sweat
4. Millions of these cell types exist. → Nerve
5. Clostridium botulinum is used to reduce the appearance of wrinkles.
6. They clean blood and make hormones. → Kidneys.
7. Leeches may assist in microsurgery reattachments.
8. Some sneezes are wind forces of over 1000 m.p.h.
9. Heterochromia means having two different coloured eyes.
10. Scientists are starting to create robots using 3D printers.
11. Cochlear implants may help those who are deaf.
12. This organ is a common site of occurrence of birth defects. → Heart
13. Astronauts may conduct medical tests in space.
14. Organs may be used in surgery or to clean.
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