Pig Dissection

PIG DISSECTION

CLASSIFICATION

Kingdom: Animalia Phylum: Chordata Class: Mammalia Subclass: Theria Infraclass: Eutheria Order: Artiodactyla Family:Suidae Subfamily: Suinae Genus:Sus

CIRCULATION

4 Chambered Heart (R/L Atrium and Ventricle)

Arteries going to the lungs (Pulmonary) and to the body

Veins coming from the lungs (Pulmonary) and from the body

Spleen contains white blood cells

CIRCULATION CONTINUED

DIGESTION

Different from other dissections Salivary

glands Incisor and

cheek teeth Hard and soft

palate Epiglottis Pancreas

SamePharynxEsophagusStomachSmall intestineLarge intestineLiverGall Bladder

DIGESTION CONTINUED

RESPIRATION

Nares (Nostrils) – Takes in air from the outside

Larynx- Voice box Trachea- Air tube to lungs Lungs- Exchanges Oxygen and Carbon

Dioxide Diaphragm- Breathing muscle Ribs Sternum

RESPIRATION CONTINUED

EXCRETION

Kidneys- Filter waste Ureters- Carry urine to bladder Urinary Bladder- Stores Urine Urethra- Carries urine outside of the body

EXCRETORY SYSTEM CONTINUED

NERVOUS

Cerebrum with right and

left hemispheres- Thinking, motor control, and senses

Cerebellum Medulla

Oblongata Spinal Cord

NERVOUS CONTINUED

MOVEMENT

REPRODUCTION

Testis/Ovaries- produce sperm or eggs Epididymis- Finishes making sperm Oviducts- Tube where fertilization occurs