Musculo-Skeletal System Flashcards
formed by a fluid field compartment within the body:the coelom
Hydrostatic Skeleton
a skeletal system is necessary to support the body protect internal organs and allow for the movement of an organism
Musculoskeletal system
is an external hard and casement on the surface of an organism
exoskeleton
consists of a hard mineralized structure located within the soft tissue of the organism
endoskeleton
is an endoskeleton that consists of 206 bones in the adult
the human skeleton
five main functions of the human skeleton
supporting the body, storing minerals and lipids, producing blood cells, protecting internal organs, and allowing for movement
Bones found in the axial skeleton
skull, ossicles, hyoid bone, ribcage, vertebral column
bone found in the axial skeleton that protects the brain
skull
bones in the middle ear that transmit vibrations from the ear canal to the inner ear
ossicles
supports your tongue and plays a key role in speaking and swallowing
hyoid bone
protects organs like lungs and heart
rib cage
spine
Vertebral column
C1 to C7 (in vertebral column)
Cervical curve
T1 to T12 (in the vertebral column)
Thoracic curve
L1 to L5 (in the vertebral column)
Lumbar curve
strengthens and stabilizes the pelvis
sacrum
tailbone
coccyx
rib cage is also known as
thoracic cage
three bones found in the thoracic cage
coastal cartilage, sternum, ribs
connection of the ribs
costal cartilage
flat part in the ribs
sternum
is composed of the bones of the pectoral limbs, the pelvic limbs, the pectoral girdle, and the pelvic girdle
Appendicular skeleton
consists of the clavicles and scapulae
pectoral girdle
wing of the arms
scapula
collar bone
clavicle
bones found in the upper limb
humerus, ulna, radius, carpals, metacarpals, and phalanges
also known as the funny bone and is the biggest bone in the upper body
Humerus
two bones found in the forearm that helps with the movement of arm wrist and the hand
Ulna and Radius
enables rotation of wrist
carpal
accommodates the muscles tendons and nerves of a palm
metacarpals
found from fingers to fingernails
phalanges
bones found in the lower limb
femur, patella, tibia, fibula, tarsals, metatarsals, and phalanges
largest bone in the body and supports the pelvic girdle
Femur
helps move legs and protects knee joints also known as the kneecaps
patella
main function is weight bearing. second largest bone in the body
tibia
provides stability to ankle joint
fibula
bones found in the feet that provides the stability and support
tarsals and metatarsals
three types of muscles
smooth muscle, cardiac muscle, skeletal muscle
is involuntary and occurs in walls of internal organs
smooth muscle
is involuntary and occurs in the walls of the heart
cardiac muscle
is voluntary and usually attached to the skeleton
Skeletal muscle
muscle responsible for mastication
masseter
muscle found in the shoulder
deltoid
muscle found in the chest
pectoralis major
muscle found in the clavicle
trapezius
biggest muscle in the body found in the booty (wow rhyming!!)
gluteus maximus
smallest muscle found in the ear (5mm)
stapedius
muscles on mouth
orbicularis oris
muscles found in the eyelids
orbicularis oculi
