The process of removal of faecal matter from the body through the anus is known as _________ .
The faecal matter is removed from the body through the ________ from time-to-time.
The process of removing tea leaves from tea using a strainer is known as __________.
The process of removing fleece from the sheep's body is known as ________.
Which one of the following in real sense is not an excretory activity?
(a) Giving out carbon dioxide
(b) Passing out faecal matter
(c) Sweating
(d) Removal of urea.