Answer:
skeletal
circulatory
respiratory
digestive
immune
endocrine
nervous
muscular
Explanation:
skeletal- bones, spinal cord
circulatory- blood, vessels, heart,
respiratory- trachea, nose, lungs
digestive- intestines, stomach, oesophagus,mouth
immune- cells, organs, tissues
endocrine- kidney, bladder, urinary, glands
nervous- nerves, brain
muscular- muscle
