Human Skeletal System Overview

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Questions and Answers

Muscles provide motion, protection, stability and ______.

posture

Bones provide movement, protection, blood cell formation, body support, and mineral ______.

storage

Joints provide ______ and connection between bones.

motion

The ______ vertebrae are part of the anatomy of the spine.

<p>cervical</p> Signup and view all the answers

Cerebrospinal fluid (CSF) surrounds and protects the ______.

<p>brain</p> Signup and view all the answers

Flashcards

What is the function of the skeletal system?

The skeletal system provides support, protection, movement, blood cell formation, and mineral storage.

How many cervical vertebrae are there?

The cervical vertebrae are the bones in the neck, and there are 7 of them.

What does the thorax protect?

The thorax is the chest cavity, and it protects vital organs like the heart and lungs.

What is the difference between the systemic and pulmonary circuits?

The systemic circuit carries oxygenated blood from the heart to the body and deoxygenated blood back to the heart, while the pulmonary circuit carries deoxygenated blood from the heart to the lungs and oxygenated blood back to the heart.

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What is the function of the pelvis?

The pelvis forms the foundation of the lower limbs and protects internal organs.

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Study Notes

Skeletal System Overview

  • The skeletal system comprises bones, tendons, and ligaments
  • Bones provide movement, protection, blood cell creation, body support, and mineral storage
  • Muscles enable movement, protection, stability, and posture
  • Joints facilitate motion and connection between bones
  • Tendons connect muscles to bones
  • Ligaments connect bones together

Bones of the Body

  • Cranium
  • Mandible
  • Cervical Vertebrae
  • Clavicle
  • Scapula
  • Sternum
  • Ribs (thoracic vertebrae)
  • Lumbar Vertebrae
  • Sacrum
  • Humerus
  • Radius
  • Ulna
  • Carpals
  • Metacarpals
  • Phalanges
  • Pelvic Girdle
  • Femur
  • Patella
  • Tarsals
  • Metatarsals
  • Phalanges
  • Tibia
  • Fibula

Spine Anatomy

  • Cervical Spine (C1-C7)
  • Thoracic Spine (T1-T12)
  • Lumbar Spine (L1-L5)
  • Sacrum
  • Coccyx

Upper Extremities

  • Clavicle
  • Scapula
  • Humerus
  • Ulna
  • Radius
  • Wrist
  • Carpus
  • Metacarpus
  • Digits (Phalanges) - proximal, middle, distal

Pelvis and Lower Extremities

  • Hipbone
  • Sacrum
  • Coccyx
  • Femur
  • Patella
  • Fibula
  • Tibia
  • Tarsal bones (talus)
  • Metatarsal bones
  • Calcaneus
  • Phalanges
  • Lower extremities

Thorax Anatomy

  • Sternum (Manubrium, body, xiphoid process)
  • Ribs
  • Clavicle
  • Scapula
  • Lungs
  • Trachea
  • Heart
  • Venae cavae
  • Aorta
  • Pulmonary arteries/veins
  • Liver
  • Stomach
  • Intestine

Head Anatomy

  • Frontal bone
  • Sphenoid bone
  • Ethmoid bone
  • Nasal bone
  • Lacrimal bone
  • Zygomatic bone
  • Maxilla
  • Mandible
  • Parietal bone
  • Temporal bone
  • Occipital bone
  • Sutures (coronal, squamous, lambdoid)
  • Mandibular fossa
  • External auditory meatus
  • Mastoid process
  • Foramen magnum
  • Styloid process
  • Mental foramen

Spinal Canal and Associated Soft Tissue

  • Spinal cord
  • Dura mater
  • Arachnoid mater
  • Pia mater
  • Epidural space
  • Subdural space
  • Subarachnoid space
  • Occipital condyles
  • Foramen magnum

Cerebrospinal Fluid (CSF)

  • Choroid plexus
  • Lateral ventricle
  • Third ventricle
  • Fourth ventricle
  • Central canal
  • Subarachnoid space
  • Arachnoid villi
  • Superior sagittal sinus

Basic Movements of Head and Neck

  • Flexion (chin-to-chest)
  • Extension (face toward ceiling)
  • Lateral bending
  • Rotation

Male vs. Female Pelvis

  • Pelvic inlet
  • Pubic arch
  • Greater sciatic notch

Abdominal Anatomy

  • Diaphragm
  • Liver
  • Gallbladder
  • Stomach
  • Spleen
  • Kidneys
  • Intestines

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