digestion is when food is absorbed into the blood stream & the digestive system digests food for the body ->  the digestive system absorbs food into the blood stream  the digestive system absorbs food into the blood stream & blood is a part of the circulatory system ->  food is absorbed into the circulatory system through blood  food is absorbed into the circulatory system through blood & the circulatory system transports blood throughout the body ->  the circulatory system carries food from the digestive systems to the rest of the body using blood  the circulatory system carries food from the digestive systems to the rest of the body using blood & food contains nutrients for living things -> the circulatory system carries nutrients from the digestive system to the rest of the body using blood