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 36 Kenzy salma Sara عبدالله محمد Abdelrahman Show more Private: Sec 2 – Ch 4: Excretion in living organisms Lecture 1 Lesson 1 of 4 In 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