your intestines
The blood carries nutrients from the small intestine to all over the body. The villi in the small intestine allow nutrients to pass through the intestinal wall to the blood vessels. Then the blood carries the nutrients away.
The small intestine is responsible for the absorption of nutrients.
The liver is the first organ to receive nutrients that are absorbed from the GI tract. It is the 'gatekeeper' and is responsible for filtering out possible toxins before they reach delicate tissues such as the brain. The hepatic vein takes blood from the liver to the heart.
oxygen and nutrients
The chloroplast
Wastes and nutrients are carried in the blood and diffuse across the capillary walls.
The Heart
pancreas
kidneys
The heart is a round, tight muscular organ that is responsible for pumping blood throughout the body. It is located in the chest and is vital for maintaining circulation and delivering oxygen and nutrients to the body's tissues and organs.
The kidney is the organ that manages the water content of the blood. People typically have two.
Fat cells.