Body Cavities and Cells

Organisms are divided into 2 portionsOrganisms are divided into 2 portions AxialAxial

AppendicularAppendicular

all body cavities are in the axial portionall body cavities are in the axial portion

word roots to know periperi pleurapleura cardiocardio epiepi hypohypo chondrochondro gastrogastro cytcyt

Posterior/DorsalPosterior/Dorsal CranialCranial Vertebral/spinalVertebral/spinal

Anterior/VentralAnterior/Ventral ThoracicThoracic

PleuralPleural MediastinalMediastinal

AbdominopelvicAbdominopelvic AbdominalAbdominal PelvicPelvic

Membranes

ParietalParietal VisceralVisceral Parietal Pleura/Visceral PleuraParietal Pleura/Visceral Pleura Parietal Pericardium/Visceral PericardiumParietal Pericardium/Visceral Pericardium Parietal Peritoneum/Visceral PeritoneumParietal Peritoneum/Visceral Peritoneum function - function -

Regions of the Abdomen

epigastricepigastric left and right hypochondriacleft and right hypochondriac umbilicalumbilical left and right lumbarleft and right lumbar hypogastrichypogastric left and right iliacleft and right iliac

Small cavities of the Head

OralOral NasalNasal OrbitalOrbital AuralAural

Chemistry review atom/elementatom/element electrons, protons, neutronselectrons, protons, neutrons atomic numberatomic number atomic massatomic mass ionic bondsionic bonds covalent bondscovalent bonds moleculesmolecules compoundscompounds

molecular formulamolecular formula structural formulastructural formula synthesissynthesis decompositiondecomposition hydrolysishydrolysis group transfergroup transfer catalystcatalyst pH scalepH scale inorganicinorganic

Organic

carbohydratescarbohydrates lipidslipids proteinsproteins nucleic acidsnucleic acids

Cells

smallest living unitssmallest living units 75 trillion in a human body75 trillion in a human body shape is related to functionshape is related to function

Composite Cell

NucleusNucleus enclosed by Nuclear Envelopeenclosed by Nuclear Envelope directs all activities of the celldirects all activities of the cell

CytoplasmCytoplasm Cytosol - fluid/gel made of water, electrolytes Cytosol - fluid/gel made of water, electrolytes

and organic compounds. and organic compounds. Inclusions - Organelles and other insoluble Inclusions - Organelles and other insoluble

materialsmaterials

Organelles Endoplasmic ReticulumEndoplasmic Reticulum

Rough ERRough ER Smooth ERSmooth ER Cisternae and VesiclesCisternae and Vesicles

RibosomesRibosomes GolgiGolgi

Actual Rough ER

ER and Golgi showing function

MitochondriaMitochondria two layers of membranetwo layers of membrane

CristaeCristae

matrixmatrix has its own DNAhas its own DNA

LysosomesLysosomes VacuolesVacuoles

CytoskeletonCytoskeleton microfilamentsmicrofilaments microtubulesmicrotubules

CiliaCilia Flagella Flagella CentriolesCentrioles

Nucleus

Nuclear envelopeNuclear envelope NucleoplasmNucleoplasm NucleolusNucleolus ChromatinChromatin