Answer:
Oxygen is moved around the body of an echinoderm in its C. water vascular system.
Answer:
Animal cells would not have the materials needed to produce energy in cellular respiration.
Explanation:
Endoplasmic Reticulum. -- Transport System.
Golgi Apparatus -- Delivery System.
Lysosomes - Intracellular Digestion Centers.
Ribosomes - Sites of Protein Synthesis.
ENERGY RELATED ORGANELLES.
Cytoskeleton - Support System.
Related to Movement.
The mesenteric veins and the hepatic portal vein
