12 Which statement best describes an interaction between the muscular system and the
respiratory system?
F The hormone adrenaline causes blood vessels to contract and send more blood to maja
muscles.
G Metabolic wastes generated by muscle cells are eliminated in urine.
H The diaphragm contracts causing the chest cavity to expand, which draws air into th-
lungs.
Nutrients absorbed in the small intestine are transported in blood to the brain.
body cystems A student made a partial
J