Which of the following statements are true of the organ systems? (Read carefully and select all of the correct statements.)

A)The body is supported by the integumentary system.
B)Transport of oxygen is a function of the circulatory system.
C)Secretion of hormones is a function of the endocrine system.
D)The urinary system includes the kidneys and the liver.
E)The complex chemicals of foods are kept intact by the digestive system.
F)Parts of the skeletal system protect some parts of the nervous system.