y ear 10 r eview living world – ecology and humans

YEAR 10 REVIEWLiving World – Ecology and Humans

4. THE EAR HAS MANY PARTS. LABEL AND DISCUSS THE FUNCTION OF EACH OF THE PARTS.

pinnaossiclescochleaear drumear canalauditory nerveEustachian tubesemi-circular canals

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5. WHAT IS THE DIFFERENCE BETWEEN ARTERIES, VEINS AND CAPILLARIES?

6. WHY DO WE HAVE VALVES IN OUR VEINS AND OUR HEART?

7. HOW DOES OUR BODY PROTECT VITAL ORGANS LIKE OUR HEART, SPINAL CORD, LUNGS AND BRAIN?

8. WHERE IS YOUR KIDNEY LOCATED? WHAT DOES YOUR KIDNEY DO?

Our kidneys filter waste (urine) from blood and reabsorb nutrients.

9. EXPLAIN HOW THE MUSCLES IN YOUR LEG WORK TO MOVE YOUR LEG.

Muscles can only contract. Thus, the muscles have to work together. Some muscles contract to bend the leg whereas others contract to extend the leg. Antagonistic muscles work opposite to each other – when one contracts the other one relaxes.

10. WHERE ARE SOME GOOD LOCATIONS TO FIND YOUR PULSE?(THERE MAY BE MORE THAN ONE RIGHT ANSWER.)

A. At a music storeB. In your neckC. On a roller coasterD. In your wristE. Next to someone you have a crush onF. On top of your heart