The document summarizes the main organelles found in animal cells, including the endoplasmic reticulum which transports proteins, ribosomes which make proteins, mitochondria which provide energy, the Golgi body which packages and distributes proteins, lysosomes which break down old cell parts, the cell membrane which controls what enters and exits the cell, the cytoplasm fluid that fills the cell, the nucleus which holds genetic DNA information, and the nucleus membrane which controls access to the nucleus.