Sperm whale . Myoglobin, which stores oxygen in muscle tissue, is much more abundant than in terrestrial animals. The blood has a high density of red blood cells, which contain oxygen-carrying haemoglobin. The oxygenated blood can be directed towards only the brain and other essential organs when oxygen levels deplete. The spermaceti organ may also play a role by adjusting buoyancy (see below). The arterial retia mirabilia are extraordinarily well-developed. The complex arterial retia mirabilia of the sperm whale are more extensive and larger than those of any other cetacean. Atop the whale's skull is positioned a large complex of organs filled
People of the Whale Thomas to join them on the hunt. Marco has the job of listening for the whale, and on the day of the hunt, he is able to feel a whale as it approaches and expresses this to his father. When the whale appears, Thomas, without thinking, shoots the whale with his gun, and is suddenly flooded with harrowing memories of his experiences in the war. Chaos ensues the other men open fire on the whale, the canoe is flipped over, and Marco disappears. After returning, the men, excluding Thomas, carelessly leave the whale on the beach and go inside to