Why iodine deficiency causes Goitre? | Chemical co-ordination | Biology Class 11 | Khan Academy

Let's explore how iodine deficiency causes goitre - a disease where the neck swells up! Timestamps 00:00 Intro 00:13 Textbook explanation 2:30 Thyroid structure 03:34 Normal functioning & TSH 05:30 Iodine deficiency & Goitre 07:00 Summary: 'what causes Goitre' Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages. Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy. Subscribe to our YouTube channel -    / khanacademy   As a 501(c)(3) nonprofit organization, we would love your help! Donate here: https://www.khanacademy.org/donate?ut... Created by Mahesh Shenoy