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