ทำไมเวลาหอยตายแล้วจึงอ้าปากออก


หอยหนึ่งตัว มีองค์ประกอบที่สำคัญที่ทำหน้าที่เปิดและปิดเปลือกหอย นั่นคือ ภายในเปลือกหอยจะมีเอ็นอยู่สองเส้น เอ็นทั้งสองจะทำหน้าที่คล้ายเชือก จะคอยดึงเปลือกทั้งสองข้างให้เปิดปิด


แล้วทำไมหอยตายแล้วจึงอ้าปาก?

สาเหตุมาจากเมื่อหอยตายลง จะทำให้เนื้อเยื่อหย่อนยาน ซึ่งถ้าเนื้อเยื่อหย่อนยานเมื่อไหร่ เจ้าหอยก็จะอ้าปากทันที ดัง
นั้น หอยที่ตายแล้วจึงอ้าปาก โดยไม่มีโอกาสได้หุบอีกเลย
แต่ถ้าเอาน้ำร้อนลวกหอย มันจะอ้าปากขึ้น
และเส้นเอ็นที่เกาะติดเปลือกหอยก็จะหลุดออกมา



American Standard 7295.252.002 Heritage Wall-Mount 5-5/8-Inch Swivel Spout Kitchen Faucet10.30 cttw 925 Sterling Silver 14K White Gold Plated Created Heart Shape Sapphire PendantAmerican Standard 4101.350.002 Arch Pull Out Brass body and Swivel Spout Kitchen Faucet, Polished ChromeAmerican Standard 4751.712.099 Hampton Two-Handle Kitchen Faucet American Standard 4147.300.295 Culinaire Single-Control Kitchen Faucet
10.30 cttw 925 Sterling Silver 14K White Gold Plated Created Heart Shape Sapphire PendantAmerican Standard 4101.350.002 Arch Pull Out Brass body and Swivel Spout Kitchen Faucet, Polished ChromeAmerican Standard 4751.712.099 Hampton Two-Handle Kitchen Faucet American Standard 4147.300.295 Culinaire Single-Control Kitchen FaucetAmerican Standard 7298.252.002 Heritage Wall-Mount 8-Inch Swivel Spout Kitchen Faucet
American Standard 4101.350.002 Arch Pull Out Brass body and Swivel Spout Kitchen Faucet, Polished ChromeAmerican Standard 4751.712.099 Hampton Two-Handle Kitchen Faucet American Standard 4147.300.295 Culinaire Single-Control Kitchen FaucetAmerican Standard 7298.252.002 Heritage Wall-Mount 8-Inch Swivel Spout Kitchen FaucetAmerican Standard 4114.001.075 Lakeland Single-Control Kitchen Faucet
American Standard 4751.712.099 Hampton Two-Handle Kitchen Faucet American Standard 4147.300.295 Culinaire Single-Control Kitchen FaucetAmerican Standard 7298.252.002 Heritage Wall-Mount 8-Inch Swivel Spout Kitchen FaucetAmerican Standard 4114.001.075 Lakeland Single-Control Kitchen FaucetAmerican Standard 4332.350.075 Pekoe Semi-Professional Single Control Kitchen Faucet, Stainless Steel
American Standard 4147.300.295 Culinaire Single-Control Kitchen FaucetAmerican Standard 7298.252.002 Heritage Wall-Mount 8-Inch Swivel Spout Kitchen FaucetAmerican Standard 4114.001.075 Lakeland Single-Control Kitchen FaucetAmerican Standard 4332.350.075 Pekoe Semi-Professional Single Control Kitchen Faucet, Stainless SteelAmerican Standard 6028.201.002 Dazzle Double-Handle Centerset Lavatory Faucet, Chrome
American Standard 7298.252.002 Heritage Wall-Mount 8-Inch Swivel Spout Kitchen FaucetAmerican Standard 4114.001.075 Lakeland Single-Control Kitchen FaucetAmerican Standard 4332.350.075 Pekoe Semi-Professional Single Control Kitchen Faucet, Stainless SteelAmerican Standard 6028.201.002 Dazzle Double-Handle Centerset Lavatory Faucet, ChromeSilver-tone Blue Lace Agate Stretch Bracelet
American Standard 4114.001.075 Lakeland Single-Control Kitchen FaucetAmerican Standard 4332.350.075 Pekoe Semi-Professional Single Control Kitchen Faucet, Stainless SteelAmerican Standard 6028.201.002 Dazzle Double-Handle Centerset Lavatory Faucet, ChromeSilver-tone Blue Lace Agate Stretch BraceletAmerican Standard 2555.201.002 Town Square Two-Lever Handle Centerset Lavatory Faucet
American Standard 4332.350.075 Pekoe Semi-Professional Single Control Kitchen Faucet, Stainless SteelAmerican Standard 6028.201.002 Dazzle Double-Handle Centerset Lavatory Faucet, ChromeSilver-tone Blue Lace Agate Stretch BraceletAmerican Standard 2555.201.002 Town Square Two-Lever Handle Centerset Lavatory FaucetIron Cross Medal
American Standard 6028.201.002 Dazzle Double-Handle Centerset Lavatory Faucet, ChromeSilver-tone Blue Lace Agate Stretch BraceletAmerican Standard 2555.201.002 Town Square Two-Lever Handle Centerset Lavatory FaucetIron Cross Medal1.75CT Diamond Pave Halo White Gold 14K Engagement Ring
Silver-tone Blue Lace Agate Stretch BraceletAmerican Standard 2555.201.002 Town Square Two-Lever Handle Centerset Lavatory FaucetIron Cross Medal1.75CT Diamond Pave Halo White Gold 14K Engagement RingAmerican Standard 7881.732.295 Hampton Two-Lever Handle Widespread Lavatory Faucet
American Standard 2555.201.002 Town Square Two-Lever Handle Centerset Lavatory FaucetIron Cross Medal1.75CT Diamond Pave Halo White Gold 14K Engagement RingAmerican Standard 7881.732.295 Hampton Two-Lever Handle Widespread Lavatory Faucet15 CT ROUND DIAMOND TENNIS BRACELET - VS1/2
Iron Cross Medal1.75CT Diamond Pave Halo White Gold 14K Engagement RingAmerican Standard 7881.732.295 Hampton Two-Lever Handle Widespread Lavatory Faucet15 CT ROUND DIAMOND TENNIS BRACELET - VS1/2American Standard 4751.732.002 Hampton Undermount Gooseneck Faucet
1.75CT Diamond Pave Halo White Gold 14K Engagement RingAmerican Standard 7881.732.295 Hampton Two-Lever Handle Widespread Lavatory Faucet15 CT ROUND DIAMOND TENNIS BRACELET - VS1/2American Standard 4751.732.002 Hampton Undermount Gooseneck FaucetAmerican Standard 7871.712.295 Hampton Two-Porcelain Lever Handle Widespread Faucet
American Standard 7881.732.295 Hampton Two-Lever Handle Widespread Lavatory Faucet15 CT ROUND DIAMOND TENNIS BRACELET - VS1/2American Standard 4751.732.002 Hampton Undermount Gooseneck FaucetAmerican Standard 7871.712.295 Hampton Two-Porcelain Lever Handle Widespread FaucetAmerican Standard 7471.732.099 Hampton Two-Lever Handle Minispread Faucet
15 CT ROUND DIAMOND TENNIS BRACELET - VS1/2American Standard 4751.732.002 Hampton Undermount Gooseneck FaucetAmerican Standard 7871.712.295 Hampton Two-Porcelain Lever Handle Widespread FaucetAmerican Standard 7471.732.099 Hampton Two-Lever Handle Minispread FaucetAmerican Standard 7871.712.002 Hampton Two-Porcelain Lever Handle Widespread Faucet, Polished Chrome
American Standard 4751.732.002 Hampton Undermount Gooseneck FaucetAmerican Standard 7871.712.295 Hampton Two-Porcelain Lever Handle Widespread FaucetAmerican Standard 7471.732.099 Hampton Two-Lever Handle Minispread FaucetAmerican Standard 7871.712.002 Hampton Two-Porcelain Lever Handle Widespread Faucet, Polished ChromeAmerican Standard 2064.451.002 Serin Double-Handle In-Wall Mount Lavatory Faucet, Chrome
American Standard 7471.732.099 Hampton Two-Lever Handle Minispread FaucetAmerican Standard 7871.712.002 Hampton Two-Porcelain Lever Handle Widespread Faucet, Polished ChromeAmerican Standard 2064.451.002 Serin Double-Handle In-Wall Mount Lavatory Faucet, ChromeAmerican Standard 4101.301.075 Arch Hi-Flow Kitchen Faucet, Stainless SteelAmerican Standard 7010.801.075 Green Tea Two Lever Widespread Lavatory Faucet, Pullout Spout, Speed Connect Pop Up, Stainless Steel
American Standard 7471.732.099 Hampton Two-Lever Handle Minispread FaucetAmerican Standard 7871.712.002 Hampton Two-Porcelain Lever Handle Widespread Faucet, Polished ChromeAmerican Standard 2064.451.002 Serin Double-Handle In-Wall Mount Lavatory Faucet, ChromeAmerican Standard 4101.301.075 Arch Hi-Flow Kitchen Faucet, Stainless SteelAmerican Standard 7010.801.075 Green Tea Two Lever Widespread Lavatory Faucet, Pullout Spout, Speed Connect Pop Up, Stainless Steel
American Standard 7871.712.002 Hampton Two-Porcelain Lever Handle Widespread Faucet, Polished ChromeAmerican Standard 2064.451.002 Serin Double-Handle In-Wall Mount Lavatory Faucet, ChromeAmerican Standard 4101.301.075 Arch Hi-Flow Kitchen Faucet, Stainless SteelAmerican Standard 7010.801.075 Green Tea Two Lever Widespread Lavatory Faucet, Pullout Spout, Speed Connect Pop Up, Stainless SteelAmerican Standard 6531.170.002 Monterrey Widespread Gooseneck Lavatory Faucet
American Standard 2064.451.002 Serin Double-Handle In-Wall Mount Lavatory Faucet, ChromeAmerican Standard 4101.301.075 Arch Hi-Flow Kitchen Faucet, Stainless SteelAmerican Standard 7010.801.075 Green Tea Two Lever Widespread Lavatory Faucet, Pullout Spout, Speed Connect Pop Up, Stainless SteelAmerican Standard 6531.170.002 Monterrey Widespread Gooseneck Lavatory FaucetAmerican Standard 4771.712.002 Williamsburg Hi-Flow Kitchen Faucet
American Standard 4101.301.075 Arch Hi-Flow Kitchen Faucet, Stainless SteelAmerican Standard 7010.801.075 Green Tea Two Lever Widespread Lavatory Faucet, Pullout Spout, Speed Connect Pop Up, Stainless SteelAmerican Standard 6531.170.002 Monterrey Widespread Gooseneck Lavatory FaucetAmerican Standard 4771.712.002 Williamsburg Hi-Flow Kitchen Faucet14K White Gold Engagement Ring - 1.45CT Emerald Cut Diamond Ring
American Standard 7010.801.075 Green Tea Two Lever Widespread Lavatory Faucet, Pullout Spout, Speed Connect Pop Up, Stainless SteelAmerican Standard 6531.170.002 Monterrey Widespread Gooseneck Lavatory FaucetAmerican Standard 4771.712.002 Williamsburg Hi-Flow Kitchen Faucet14K White Gold Engagement Ring - 1.45CT Emerald Cut Diamond Ring14k Yellow Gold 5mm Italian Mariner Chain Necklace, 20"
American Standard 6531.170.002 Monterrey Widespread Gooseneck Lavatory FaucetAmerican Standard 4771.712.002 Williamsburg Hi-Flow Kitchen Faucet14K White Gold Engagement Ring - 1.45CT Emerald Cut Diamond Ring14k Yellow Gold 5mm Italian Mariner Chain Necklace, 20"American Standard 7074F Ladonia 4-Inch Centerset Lavatory Faucet
American Standard 4771.712.002 Williamsburg Hi-Flow Kitchen Faucet14K White Gold Engagement Ring - 1.45CT Emerald Cut Diamond Ring14k Yellow Gold 5mm Italian Mariner Chain Necklace, 20"American Standard 7074F Ladonia 4-Inch Centerset Lavatory FaucetAmerican Standard 4205.104.075 Reliant Pull-out Kitchen Combination Faucet, Stainless Steel
14K White Gold Engagement Ring - 1.45CT Emerald Cut Diamond Ring14k Yellow Gold 5mm Italian Mariner Chain Necklace, 20"American Standard 7074F Ladonia 4-Inch Centerset Lavatory FaucetAmerican Standard 4205.104.075 Reliant Pull-out Kitchen Combination Faucet, Stainless SteelAmerican Standard 7293.252.002 Heritage Wall-Mount Gooseneck Kitchen Faucet
14k Yellow Gold 5mm Italian Mariner Chain Necklace, 20"American Standard 7074F Ladonia 4-Inch Centerset Lavatory FaucetAmerican Standard 4205.104.075 Reliant Pull-out Kitchen Combination Faucet, Stainless SteelAmerican Standard 7293.252.002 Heritage Wall-Mount Gooseneck Kitchen FaucetAmerican Standard 4332.350.002 Pekoe Semi-Professional Single Control Kitchen Faucet, Polished Chrome
American Standard 7074F Ladonia 4-Inch Centerset Lavatory FaucetAmerican Standard 4205.104.075 Reliant Pull-out Kitchen Combination Faucet, Stainless SteelAmerican Standard 7293.252.002 Heritage Wall-Mount Gooseneck Kitchen FaucetAmerican Standard 4332.350.002 Pekoe Semi-Professional Single Control Kitchen Faucet, Polished ChromeAmerican Standard 3821.834.295 Jasmine Single-Control Kitchen Faucet
American Standard 4205.104.075 Reliant Pull-out Kitchen Combination Faucet, Stainless SteelAmerican Standard 7293.252.002 Heritage Wall-Mount Gooseneck Kitchen FaucetAmerican Standard 4332.350.002 Pekoe Semi-Professional Single Control Kitchen Faucet, Polished ChromeAmerican Standard 3821.834.295 Jasmine Single-Control Kitchen Faucet1 ct. Round Diamond Solitaire Engagement Ring in 14k White Gold - Free Resize
American Standard 7293.252.002 Heritage Wall-Mount Gooseneck Kitchen FaucetAmerican Standard 4332.350.002 Pekoe Semi-Professional Single Control Kitchen Faucet, Polished ChromeAmerican Standard 3821.834.295 Jasmine Single-Control Kitchen Faucet1 ct. Round Diamond Solitaire Engagement Ring in 14k White Gold - Free ResizeAmerican Standard 4114.100.075 Lakeland Single-Control Kitchen Faucet
American Standard 4332.350.002 Pekoe Semi-Professional Single Control Kitchen Faucet, Polished ChromeAmerican Standard 3821.834.295 Jasmine Single-Control Kitchen Faucet1 ct. Round Diamond Solitaire Engagement Ring in 14k White Gold - Free ResizeAmerican Standard 4114.100.075 Lakeland Single-Control Kitchen Faucet
American Standard 3821.834.295 Jasmine Single-Control Kitchen Faucet1 ct. Round Diamond Solitaire Engagement Ring in 14k White Gold - Free ResizeAmerican Standard 4114.100.075 Lakeland Single-Control Kitchen Faucet
1 ct. Round Diamond Solitaire Engagement Ring in 14k White Gold - Free ResizeAmerican Standard 4114.100.075 Lakeland Single-Control Kitchen Faucet
American Standard 4114.100.075 Lakeland Single-Control Kitchen Faucet



Create Date : 17 กันยายน 2554
Last Update : 17 กันยายน 2554 4:17:35 น.
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