If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Thyroid gland hormones (T3, T4) & defects

Let's explore how the T3 and T4 hormones regulate our body metabolism and growth. We will also explore the effects of hyperthyroidism and hypothyroidism. 00:00 T3 & T4 hormones 00:40 How thyroid affects BMR 3:05 What is hyperthyroidism & Hypothyroidism 3:26 Hyperthyroidism symptoms 4:06 Hypothyroidism symptoms 5:07 How thyroid affects Cretinism 5:49 Summary 6:39 BONUS (WAIT FOR IT). Created by Mahesh Shenoy.

Want to join the conversation?

No posts yet.

Video transcript