LYMPHATIC SYSTEM

[A] : There are 10 tidemanns bodies in ambulacral system of echinoderms . [R] : They are enzyme destroying bodies and act as lymphatic glands .

Frog Respiratory System || Digertive System || Excretory System

Circulatory System|Respiratory System|Excretory System

Coordinate system & Polar System

Cockroach Excretory System || Nervous System || Endocrine System || Sense Organs

Cockroach - Alimentary Canal|Circulatory System|Respiratory System|Excretory System

(cockroach) Anatomy OF Cockroach Respiration system || Circulatory System || Excretory system