kidney

Kidney is main excretory organ in humans. Human kidney is a pair, shaped like kidney bean and has red color or purplish. The length of kidney is about 10 cm, and lies inside abdominal cavity to right-left of vertebral column. Left kidney is higher than right kidney. The weight of kidney of adult peoples are about 200 grams.

vegetative Reproduction

Vegetative reproduction is reproduction that only involves one parent, so new organism is produced without fusion of male gamete with female gamete. Commonly parent produces new heredity from part of his body, so new heredity( organism) always has property equals to its parents. Vegetative reproduction happens in low level animals and plants. Vegetative reproduction can happen by 3 methods they are fission, budding, and spore.

Oo.... on 8 days, I must finish our scientific researched. but there are so many thing that finish yet. we only finished 4 part of that scientific researched. So we hope we can finish it on time

Etologi ikan Salmon

kalian tW ga' ternyata ikan Salmon itu. Ikan yg pekerja keras, pandai, pokokna hebat deh!
Dia bsa mengetahui sungai di mana ia dilahirkan padahal dia sudah berpergian ke Samudera Pasifik tetapi ia tetap tw di mana mereka dilahirkan. Bahkan mereka bela-belain melawan arus sungai demi "pulang kampung" untuk bertelur. Bahkan mereka bsa melompat setinggi 3 meter. Sampai d sana mereka cuma bertelur n setelah itu mati.