- Lungs, alveolus, inhalation, exahalation, cigaratte, disease...
- Bloods vessels - artery vein
- Groups/types of blood
- Transpiration (xylem/phloem)
- Excretion human -kidney
- Excretion plants
- Asexual vs sexual
- sexual-human(maybe is man...but not sure)
- germination of seeds(read more)(be careful)
- Reactive metal
- calcium carbonate
- Electricity-transformer/caculations bil
- Birth/death of starts
- Astronomers / space activities
- At the end.....i wan talk ....to all people who ....seem my blog...thanks...!!!^_6 and at now, I want inform that ....this all PMR-SCIENCE.....is maybe only...not 100% sure..o...so if no came out please dont say I lie ur alll...o....!!!!!!!!!!!!!!