EXCRETION AND DEFECATION

SCIENCE YEAR 4

1. Name : _____________________________ Class : _________________ Date : _________________ Excretion And Defecation [ Perkumuhan Dan Penyahtinjaan ] 1. The human body produces different waste products such as ____________ , __________________ , faeces , _____________________ and ____________________ . 2. These waste products must be __________________ from the body to ____________________________ . urine air kencing removed disingkirkan carbon dioxide karbon dioksida avoid diseases mengelakkan penyakit sweat peluh water vapour wap air PREPARED BY ZULAIKHA ABD RAHMAN Refer to Science Textbook page 37.

2. 3. The removal of ____________________ from the body is called __________________ . 4 . __________________________ is the removal of _____________ through the anus. PREPARED BY ZULAIKHA ABD RAHMAN defecation penyahtinjaan faeces tinja excretion perkumuhan water products bahan buangan 5. Humans need to carry out excretion and defecation process because the waste products are ___________ and can harm the body. toxic toksik Blood in the urine Kencing berdarah Intestinal cancer Kanser usus Kidney stone Batu karang Inflammation of intestines Radang usus Blocked intestines Usus tersumbat Excretion Perkumuhan Defecation Penyahtinjaan What are diseases that may be suffered if the waste products are not removed?