The trachea is part of the _____ system.
respiratory
The _____ system eliminate waste from the body.
excretory
The bladder is part of the _____ system.
excretory
The _____ system transports blood around the body.
circulatory
The kidneys are part of the _____ system.
excretory
The intestines are part of the _____ system.
digestive
The _____ system breaks food into smaller pieces for the body to absorb.
digestive
The respiratory system takes _____ into the body and releases _____ _____.
oxygen; carbon dioxide
The stomach is part of the _____ system.
digestive
The _____ system takes oxygen into the body and releases carbon dioxide.
respiratory
What are the four human body systems that perform nutrition?
digestive system, respiratory system, circulatory system, excretory system
The heart is part of the _____ system.
circulatory
The oesophagus is part of the _____ system.
digestive
The blood vessels are part of the _____ system.
circulatory
The lungs are part of the _____ system.
respiratory