请阅读短文，并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。
注意：每个空格只填一个单词。
Blood donation, also called blood banking, is a wonderful thing to do. It is an easy and direct way of contributing to social work and having a big effect on the community. It helps to save lives and helps those who are in need of blood due to bad condition or the heavy loss of blood during operations or in accidents.
You are able to give or donate blood every three or four month, and it is such a beautiful way of making a huge difference to someone’s life and you can always be proud of it after making a valuable contribution to society. Blood donation is not a big problem, but you need to keep a few points in mind.
Before donating blood, make sure that the ferrum（铁）level in you body is high enough and for that you should take a healthy diet. Do not go for blood donation on an empty stomach. You should follow the correct process so that everything goes well. After having a balanced diet you will feel strong and comfortable to donate blood. Afterwards, you will not feel faint or weak.
For required hemoglobin（血红蛋白）in your body, drink lots of juice and other drinks. Fruit juice, such as apple juice is very good for increasing the blood level in your body.
For a good blood flow in your body, drink at least 6-7 glasses of water every day. Completely avoid, a day before and after giving blood, taking alcohol, caffeine, etc. Do not smoke half an hour before giving blood.
When you are going for blood donation, be relaxed, which helps keep the right blood pressure. During the blood donation activity take a deep breath and try to calm yourself. Don’t take part in some other activities.
When you donate blood, you are making the effort to save someone’s life. Blood donation is a very simple and fast process, but you need to take care of yourself after donating blood. Proper care helps to reduce side effects. The following are a few tips that will help you out.
Take a rest for 15 minutes after completion of the donation. It helps you to feel relaxed and energetic.
Eat something and drink juice before leaving the blood donation center. Make sure that you have meals after donating blood. Smoking should be avoided for one hour after the process. Avoid some activities right away, for example, driving.
Finally, be proud of yourself because you have done a great thing in helping to save someone’s life. Blood donation is a very important activity.

Title	Blood donation— an important activity
The 1. __________ of blood donation	² Making 2. __________ to social work and the community. ² Helping those people who suffer the 3. __________ of blood. ² Giving yourself a sense of 4. __________.
5. __________ the donation	² Take a health diet for a high ferrum level. ² Drink fruit juice for enough hemoglobin. ² Drink at least 6-7 glasses of water 6. __________ for a good flow of blood. ² Avoid taking alcohol, caffeine, etc. and smoking cigarettes.
During the donation	² Relax and 7. __________ deeply. ² Never 8. __________ in other activities.
After the donation	² Take a rest. ² Don’t 9. __________ meals. ² Don’t smoke until one hour later. ² Never take part in some activities 10. __________.