As in other mammals, thermoregulation is an important aspect of human homeostasis. Most body heat is generated in the deep organs, especially the liver, brain, and heart, and in contraction of skeletal muscles. Humans have been able to adapt to a great diversity of climates, including hot humid and hot arid.
Japanese knotweed is a perennial weed, producing tall canes, up to 2.1m (7ft) in height during the summer. The canes have characteristic purple flecks, and produce branches from nodes along its length. These branches support shovel-shaped leaves.
for recommended book at Amazon (click here) Kumihimo is a braiding technique that is used in the making of long decorative strands. These cords are used in a variety of decorative ways. Some people wear them as bracelets or necklaces. Others use them as functional laces or simply let them swing free.