Examlex
Boys are more likely than girls to engage in relational aggression.
Nephridia
Excretory organs in many invertebrates, such as annelids, that remove metabolic wastes from an organism's body.
Branching Tubes
Refers to the structures found in organisms, such as the respiratory and vascular systems, that divide and subdivide into smaller tubes.
Capillary Network
An intricate network of capillaries, the smallest blood vessels, facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and tissues.
Metanephridia
Excretory organs found in some invertebrates, such as annelid worms, that help in the removal of metabolic wastes.
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