Preposition 2
Name *
Choose the correct answer!
1. The body is made up ... 100 trillion microscopic cells.
2 points
2. The longest cells are nerve cells running ... the spinal cord.
2 points
3. Nerve cells carry messages ... the brain and the body.
2 points
4. Ovum cells contain the female genes, ready ... fertilization
2 points
5. Mitochondria transform chemical compounds ... the cell's fuel called ATP.
2 points
6. Cytoskeleton is the framework of protein threads ... the cell wall.
2 points
7. Blood rushes immune cells into action to guard ... infection.
2 points
8. Platelets instantly gather, when you cut yourself and bleed ... the damaged blood.
2 points
9. The connection of one neuron to other 25,000 ones in the brain creates trillions of routes for signals to buzz ... the body.
2 points
10. If the blood supply is cut off entirely, the brain loses consciousness ... ten seconds.
2 points
11. The brain is split ... two halves or hemisphere.
2 points
12. It is believed that the left side of the brain deals ... logical and analytical thinking.
2 points
13. Nerve fibers are bundled together and insulated ... a sheath of fatty myelin to keep the signal strong.
2 points
14. The skin is covered ... at least five kinds of sense receptor.
2 points
15. Reflexes are muscle movements that happen ... conscious thought.
2 points
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