# data[].attributes.body
Cells:
Pinacocytes- "skin cells"
Choanocytes- Line interior walls of the sponges
Mesenchye- Ingest and digest food and pass on nutrients to other cells
Sclerocytes- The secretion of spicules is carried out.
Myocytes & Proocytes- Surround canal openings and pores can contract to regulate flow through the sponge

Major Organs: None

Major System(s): None

Picture: (Down Below)

Phylum Characteristics:
-Radically Symmetrical or asymmetrical
-Gain their structure from a skeleton of collagen
-Asexual or Sexual

# data[].attributes.body
Cells:
Cnidocytes- Stinging cells
Epitheliomuscular- Form muscle fibers in parallel rows
Sensory Cells- Nerve cells that communicate with others

Major Organs: None

Major System(s):
Nervous System, Incomplete Digestive System, Reproductive System

Picture: (Down Below)

Phylum Characteristics:
-Radically Symmetry
-Jelly-Like
-Nerve Net
-Distinct Tissue Layers
-Most have Tentacles
-One opening

# data[].attributes.body
Cells:
Ectoderm- Outer layer
Endorerm- Lining of the digestive system
Mesoderm- Muscle layer

Major Organs: No certain major organs as they are all equal

Major System(s):
Muscular System
Reproduction
Nervous System

Picture: (Down Below)

Phylum Characteristics:
-Bilaterally Symmetrical
-Three Layers of Body Tissue
-No internal Body Cavity
-Asexually and Sexually

# data[].attributes.body
Cells:
Epidermal Cells- Muscle Cells
Somatic Cells- Thousands have to deal with the Reproduction System

Major Organs:
-Most of their body is covered in Reproductive organs such as testes and ovaries.

Major System(s):
Nervous System, Reproduction, Circulatory, Nervous, and Digestive System

Picture: (Down Below)

Phylum Characteristics:
-Bilaterally Symmetry
-No Circulatory System
-Non-segmented
- Simple Structure
-Closed Circulatory

# data[].attributes.body
Cells:
Epithelial Cells- Cells that protect organs. (A human's "Skin layer")
Neurosecretory Cells- Nerve cells that functions into chemical stimuli

Major Organs:
Lateral Organ, Nuchal organ, guy cavity, and palps and eyes

Major System(s):
Digestive, Reproduction, Excretory, and Nervous System

Picture: (Down Below)

Phylum Characteristics:
-Bilaterally Symmetry
-Body Wall
-Parapodia
-3 separate sections of the body

# data[].attributes.body
Cells:
Sensory Cells- Helps with light

Major Organs:
-Mantle Cavity
-Gills
-Thick layer of glandular epithelium called mucus tracts or hypochondriac glands

Major System(s):
Digestive, Nervous, and Circulatory System

Picture: (Down Below)

Phylum Characteristics:
-Bilaterally Symmetry
-Body without Cavity
-Has an open Circulatory System
-Body has more than two cell layers
-Lives in most Environments
-Open Circulatory besides cephalopods

# data[].attributes.body
Cells:
Cuticle- Forms the Exoskeleton
Glandular Cells- Cells that separate substances in the body
Epidermal Cells- Forms boundary between external environment

Major Organs:
-Compound Eyes
-Gills
-Trachea
-Spiracles

Major System(s):
Respiratory System, Circulatory System, Nervous System, and Excretory System

Picture: (Down Below)

Phylum Characteristics:
-Exoskeleton
-Jointed Appendages
-Bilaterally Symmetrical
-Two Cellular layers
-Body cavity has a true coelom
-Molting
-Open Circulatory

# data[].attributes.body
Cells:
Pigment Cells- Give the animal color and protection/toxins can be released
Gland Cells- Sticky Fluids that help the skin

Major Organs:
-Mouth
-Stomach
-Tube feet

Major System(s):
-Digestive System
-Water Vascular
-Nervous System

Picture: (Down Below)

Phylum Characteristics:
-Radial Symmetry
-Several arms
-Five equal Segments
-Tentacle like Structures
-Without Excretory Organs
-Open Circulatory