SISTEM SARAF PDF
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Summary
These notes detail the human nervous system, including the sympathetic and parasympathetic systems, along with related topics on nerve impulse transmission and muscle contraction.
Full Transcript
SISTEM SARAF 31/33/34 Pasang Saraf Spiralis Sistem simpatis Memacu Kerja organ. parasimpatis Menenangkan. Sistem somatik = sadar otonom => tak sadar Saraf tepi...
SISTEM SARAF 31/33/34 Pasang Saraf Spiralis Sistem simpatis Memacu Kerja organ. parasimpatis Menenangkan. Sistem somatik = sadar otonom => tak sadar Saraf tepi = motorik => sensorik = neur o motorik Rangsangan - Asetilkolin > - Mengikat reseptor pada sarkolema Depolarisasi > - ion kalsium > - mengikat aktin & myosin > - filamen protein bergeser = Kontrasi otot Jenis & Karakter Ot · polos lambat tak sadar , , ada di organ dalam · Jantung = cepat , berirama , talk sadar , dijantung (only ) ! · Rangka => Cepat , kuat , sadar , melekat padafulang Sumber energi otot Kontrarsi · ATO =sumber langsung sedikit > , · Glikogen = Cadangan dipecah jd glukosa , mengd ATP> - non-aerobik · Asam lemak = sumber utama aktivitas fisike jangka pryg dipecahjd asetil-ROA myd , ATP > - acrobik (bisa lemak , Karbo, protein) Fostokreatin sumber energi zepat menghasilkan ATP dim waktu singleat. non-aerobik/glikogen- glikolisis) · = > - > , ↓ 1ATP = glukosa Asam laktat- > kelelahan Koordinasi Gerakan otak > - perencanaan otot > - Melaksanakan gerak sendi - memungkinkan gerakan antartulang Reseimbangan - Serat otot lambut ply buyle dipompn
