The __________ Secretes Chemical Messages That Circulate Through the Blood,and

question 67

Short Answer

The __________ secretes chemical messages that circulate through the blood,and also communicates messages that influence behavior and many aspects of biological functioning.

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Definitions:

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.

Tubule

A small tube or tubular structure, especially in biological contexts, such as the renal tubules in kidneys.

Hemolymph

The fluid equivalent to blood in most invertebrates, occupying the interior of their bodies.