Back to Course Sec 2 - Ch 4: Excretion in living organisms 0% Complete 0/0 Steps Lecture 1 5 Topics | 3 Quizzes Introduction to excretion Excretion in man - skin epidermis Skin dermis Homework-Lecture 1 Guide answer of the homework-Lecture 1 EKB-Lecture 1 Guide answer of EKB-Lecture 1 Quiz-Lecture 1 Participants 35 Kirolos Kenzy salma Sara عبدالله محمد Show more Sec 2 – Ch 4: Excretion in living organisms Lecture 1 Lesson 1 of 4In Progress Next→Lecture 1 Lesson Content 0% Complete 0/5 Steps Introduction to excretion Excretion in man – skin epidermis Skin dermis Homework-Lecture 1 Guide answer of the homework-Lecture 1 EKB-Lecture 1 Guide answer of EKB-Lecture 1 Quiz-Lecture 1