Chapter 5 Horse AnatomyBy Paul H. Towson and Dustin Banning

Essential QuestionThink about it now, maybe jot some stuff

downYou will have a chance to see it at the end

againDescribe how all the body systems work

together

Skeletal SystemHolds the body together, framework of horseConstructed of bone and cartilageHas blood veins and blood marrow in them.Axial- skull, spine, ribs, breastbone, pelvis,

tailAppendicular- forelegs, hind legsArticulations- union of two or more bones

Skeleton of Horse

Muscular SystemProvides movement internally and externallyIt is made up of 3 types of muscleSmooth muscle- Found in digestive system

mainlyCardiac muscle- Only found in the heartSkeletal muscle- Attached to the bone and

moves the body

Muscle diagram

Digestive SystemProcesses food into a form useable formThe whole digestive system is almost 100ft

long!!Horses process their food rather quicklyIncludes the mouth, pharynx, esophagus,

stomach and small and large intestines

Digestive system

Urinary SystemProcesses and produce waste productsContains kidneys, ureter, bladder, and

urethra. The kidney filters approximately 200 gallons

a day!

Urinary system

Respiratory Systemlets the horse breatheConsists of the nasal passage, pharynx,

epiglottis, larynx, trachea, heart, bronchi, lungs and the diaphragm

Respiratory system

Circulatory SystemDistributes blood throughout the bodyConsists of the heart, veins, and arteriesHeart of a horse can weigh up to 8lbs and has

4 chambers

Circulatory System

Reproductive SystemSystem that handles reproduction of youngMale is a stallion, female is a mareSmooth muscle is in uterus of mare

Nervous SystemSupplies the body with info about it’s internal

and external environmentConsists of the brain, spinal cord, nerve

fibers, and sensory receptorsCenter of control over other systems

Nervous System

Endocrine SystemReleases hormones to the bodyMain purpose of this system is to maintain

homeostasis in the body

Endocrine System

ActivityUsing key words from the powerpointTape onto your backHave someone match it up with youListen for further directions

Essential QuestionDescribe how the body systems work

together.Write a short summary using at least 5 of

the words from the activity