Blood as food and is sometimes called "liquid meat" because its composition is similar to that of lean meat. Blood collected hygienically can be used for human consumption, otherwise it is converted to blood meal. Special fractions of animal blood are used in human medicine. Blood sausage is any sausage made by cooking animal blood with a filler until it is thick enough to congeal when cooled. Pig or cattle blood is most often used. Typical fillers include meat, fat, suet, bread, rice, barley and oatmeal. Varieties include biroldo, black pudding, blood tongue, blutwurst, drisheen, kishka (kaszanka), morcilla, moronga, mustamakkara, sundae, verivorst, and
Barley crops such as millet, wheat, and legumes. Barley (known as in both Vedic and Classical Sanskrit) is mentioned many times in Rigveda and other Indian scriptures as one of the principal grains in ancient India. Traces of Barley cultivation have also been found in post-Neolithic Bronze Age Harappan civilization 5700–3300 years before present. In the Pulitzer Prize-winning book "Guns, Germs, and Steel", Jared Diamond proposed that the availability of barley, along with other domesticable crops and animals, in southwestern Eurasia significantly contributed to the broad historical patterns that human history has followed over approximately the last 13,000 years; "i.e.", why