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Subjects
Science State Board
Class 9
Organ systems in animals
Human organ systems
13.
Organ systems and their organs
Exercise condition:
4
m.
Match the following words with their suitable ones
:
Answer variants:
Respiratory system
Skeletal system
Excretory system
Endocrine system
Ureters
are structures of the
Trachea
are structures of the
Pineal gland
are structures of the
Skull
are structures of the
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