Symptoms of iron-deficiency anemia are related to decreased oxygen delivery to the entire body and may include: 1  Being pale or having yellow sallow skin. 2  Unexplained fatigue or lack of energy. 3  Shortness of breath or chest pain, especially with activity.  Unexplained generalized 1  weakness. Rapid heartbeat.  Pounding or whooshing in the ears.
The thoracic cavity contains the heart, the lungs, and some abdominal organs. The thoracic cage provides attachments for muscles of the neck, thorax, upper limbs, abdomen, and back. The thorax moves up and down to allow breathing, so it is one of the most dynamic regions of the body.
The thoracic segments are provided with wider plates, but unarmed. The Glow-Worm and Other Beetles Jean Henri Fabre As it is, not a drop of blood has escaped from the aorta into the thoracic cavity. The Ape, the Idiot & Other People W. C. Morrow The spine on the first thoracic is rather short, narrow and pointed. The Beaked Whales of the Family Ziphidae Frederick True The spine on the first thoracic is short, and on the first to the fourth is pointed.