Human Body, Skeleton, Digestive, Respiratory, Circulatory, Reproductive System
Protect and support digestive and respiratory tracts.
-
Upload
hubert-ellis -
Category
Documents
-
view
216 -
download
2
Transcript of Protect and support digestive and respiratory tracts.
![Page 1: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/1.jpg)
Lecture 6.5: Skeletal System
![Page 2: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/2.jpg)
Protect and support digestive and respiratory tracts
Facial Bones
![Page 3: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/3.jpg)
Floor of orbits Walls of nasal cavity Hard palate—roof of mouth
Maxillary Bones
![Page 4: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/4.jpg)
Figure 6.12b
![Page 5: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/5.jpg)
Posterior to hard palate
Palatine Bone (paired)
![Page 6: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/6.jpg)
Figure 6.12b
![Page 7: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/7.jpg)
Forms part of nasal septum
Vomer
![Page 8: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/8.jpg)
Figure 6.11a
![Page 9: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/9.jpg)
Cheekbones
Zygomatic bone
![Page 10: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/10.jpg)
Figure 6.11a
![Page 11: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/11.jpg)
Bridge of nose
Nasal Bone
![Page 12: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/12.jpg)
Figure 6.11a
![Page 13: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/13.jpg)
Orbits medial surface
Lacrimal Bone
![Page 14: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/14.jpg)
Figure 6.11a
![Page 15: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/15.jpg)
Lateral nasal cavity Slows airflow
Inferior nasal conchae (paired)
![Page 16: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/16.jpg)
Figure 6.12c
![Page 17: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/17.jpg)
Lower Jaw Only moveable facial bone
Mandible
![Page 18: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/18.jpg)
Figure 6.11a
![Page 19: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/19.jpg)
U-Shaped Base for larynx muscles (voicebox), tongue
and pharynx Stabilizes larynx “Adams Apple”
Hyoid Bone
![Page 20: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/20.jpg)
Figure 6.14
![Page 21: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/21.jpg)
Fusion of bones not complete at birth Fontanels—soft spots Flexible Allows skull to expand with brain
Skulls of Infants
![Page 22: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/22.jpg)
Figure 6.15b
![Page 23: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/23.jpg)
AKA: Spine Cervical Vertebrae—7 C1-C7 Neck Region Thoracic Vertebrae—12 T1-T12 Articulates with ribs Lumbar Vertebrae—5 L1-L5 Lower Back Sacrum—5 fused vertebrae Coccyx--Tailbone
Vertebral Column
![Page 24: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/24.jpg)
Figure 6.16
![Page 25: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/25.jpg)
4 Spinal curves Primary curves—thoracic and sacral Appear late in fetal development Secondary curves—cervical and lumbar Appear months after birth Cervical—infant can hold up their head Lumbar—child can stand
Spinal curvature
![Page 26: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/26.jpg)
Figure 6.16
![Page 27: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/27.jpg)
Kyphosis—exaggerated thoracic curvature Lordosis—exaggerated lumbar curvature Scoliosis—abnormal lateral curvature
Abnormal Spinal curves
![Page 28: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/28.jpg)
Vertebral body—massive, weight-bearing portion
Intervertebral disc—lies between each vertebrae
Vertebral canal—encloses spinal cord Intervertebral foramina—gaps that allow
nerves to run off
Vertebral Anatomy
![Page 29: Protect and support digestive and respiratory tracts.](https://reader035.fdocuments.net/reader035/viewer/2022062713/56649f555503460f94c795b1/html5/thumbnails/29.jpg)
Figure 6.17a