OUR RESPIRATORY SYSTEM
Our bodies need oxygen to work.
Our respiratory and circulatory systems move oxygen through our bodies. This is part of nutrition.
OUR CIRCULATORY SYSTEM
OUR EXCRETORY SYSTEM
Our excretory system helps us eliminate waste products. This is part of the nutrition.
It has different parts: kidneys, bladder, ureters and urethra.
OUR REPRODUCTIVE SYSTEM
Our reproductive system allows us to have babies. The fetus grows inside the uterus.
HUMAN LIFE CYCLE- baby- child-adult-eldery
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