A normal adult thyroid gland weighs 10 to 20 g and receives blood from bilateral superior and inferior thyroid arteries and a small artery called the thyroid ima. The thyroid secretes two hormones. Thyroxine (T 4) makes about 90% of hormone production, and triiodothyronine (T 3) produces the other 10%.
Fast Growing Cold Hardy Tree. - Grows up to 5 ft per year! The Quaking Aspen is well known for thriving in cold climates and poor soil... but it's also a brightly colored tree with many desirable characteristics.
This species of tree may be the fastest growing tree in North America. In some locations it can put on a good 10-15 feet per year, and can often do so for several years in a row. It can continue to put on 5 feet per year even after this phase is completed, and may do so for around a quarter of a century.cacia (Wikimedia). Acacia can be an impressively fast growing tree. One acacia falcate tree which was planted in Sabah, Malaysia, managed to put on an astounding 35 feet of height in just 13 months, which comes out to just over an inch per day.