yoz..taken frm wenxiu's journ =]

Name Four Bad Habits You Have:
1. too soft-hearted
2. indecisive
3. too nice that stimes ppl take advantage of u
4. quiet? at times

Name Four Things That You Wish You Had:
1. time
2. stronger self-esteem
3. a happier family
4. a handphone? nah. not very vital

Name Four Scents You Love:
1. him? =p
2. my instru...nice lacquer spell haha~
3. band rm
4. komodo!~

Name Four People That Know You the Best:
1. him
2. kor
3. dawn? not so sure...
4. lien? not too sure too..we sorta drifted ya?
hmm..didi and jie..hope to know u all more!

Name Four Things You'd Never Wear:
1. heels like ms neo's? i'm tall enough lar haha
2. disgusting accessories[either really big or the colour combi =S]
3. those ah-ma clothes
4. dunno liao

Name Four Things You Are Thinking About Now:
1. bio test. one more chapter to go
2. how many more wks till exams
3. indoor test
4. my future

Name Four Things That You Have Done Today:
1. study bio
2. ate dinner
3. prayed
4. updating blog

Name the Last Four Things You Have Bought:
1. fruitpunch juice
2. nth
3. nth
4. nth
nth else cos i waste money on taxi.

Name Four Bands/Groups Most People Don't Know You Like:
1. Hillsongs
2. DHSSB
3. Blue
4. S.H.E

Name Four Drinks You Regularly Drink:
1. plain water my mum forces me to
2. apple juice
3. orange juice
4. horlicks choc?

today, basically wasa suckky day. physics test is sure goin to be a flop.that's all i can say for today i guess. to tired to type anymore. bio's everything on my mind now.

Blood contains plasma, RBC, WBC and platelets

Plasma made up of 90% water, a yellowish liquid contains many substances eg.
-proteins [serum albumin, serum globulin, fibrinogen, prothrombin]
-hormones
-food substances[gloucis, amino acids, fats]
-dissolved mineral salts[exists as ions]
-excretory products[urea, carbon dioxide]

RBC/erhythrocytes
flattened, circular, biconcaved disc
no nucleus
contains red pigment-haemoglobin
oxyhaemoglobin-brightred
carboxyhaemoglobin-brightpink[sure to carbon monoxide, cannot be used]
carbaminohaemoglobin[carbon dioxide]
diameter less den 0.01mm
lifespan 3-4 mths
able to become dome-shaped to travel in capilleries

WBC/leucocytes
colourless, irregular in shape
contains neucleus
ratio of RBC to WBC- 700:1
able to change shape to squeeze out of capillaries
lifespan a few days to one week
2 types- lymphocytes, phagocytes

1. lymphocytes
round nucleus, agranulocyte
almost round
produces antibodies which act as antitoxin to neutralise toxins; kill bacteria
produced by lymph nodes/lymph glands

2. phagocytes
produced by white bone marrow
engulf and ingest foreign particles, eg; bacteria
2 types: monocyte, polymorph
monocyte
beanshaped nucleus, agranulocyte
polymorph
lobed nucleus, granulocyte

platelets
fragments of cytoplasm of certain bone marrow cells
help blood clotting

argh..that's all for now~