గుండె లేని 8 జంతువులు..

మానవ శరీరంలోని అతి ముఖ్యమైన అవయవం గుండె.

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కానీ, కొన్ని జీవులకు గుండె ఉండదు. అవేంటో ఓ లుక్కేద్దాం.

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1. సముద్రపు స్పాంజులు సముద్రపు స్పాంజ్లకు గుండె లేదు. నీటిని ఫిల్టర్ చేయడానికి, పోషకాలను పొందడానికి రంధ్రాల్ని ఉపయోగిస్తాయి.

[{"selector":"#anim-ea4a9966-d6e2-46fb-a33f-c0a854ddba7d","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-cb31747e-08cf-4547-9c86-08de4ab38f37","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-32dcc22e-d352-47af-bfbf-1c4daa7a471b [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-7.812499744007886%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}]

2.ఫ్లాట్‌వార్మ్స్.. ప్లానేరియన్‌లతో పాటు ఫ్లాట్‌వార్మ్‌లకు గుండె ఉండదు.

[{"selector":"#anim-424b6a43-c73b-4268-9179-fcb38b85fd6d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-da7f1125-e082-453a-b4d5-df94ab061262","keyframes":{"transform":["translate3d(0px, 138.26389%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6d6c7716-0d28-4458-a632-8e2aec3957da [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-32.24127771758323%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}]

3.సముద్ర దోసకాయలు.. స్టార్ ఫిష్ వంటి ఎచినోడెర్మ్‌లకు గుండె ఉండదు.

4. పగడాలు ఒక రకమైన సినిడారియన్. ఇవి గుండెను కలిగి ఉండవు.

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5.టేప్‌వార్మ్‌లు హృదయరహిత పరాన్నజీవులు. ఇవి వాటి హోస్ట్ జీర్ణవ్యవస్థ నుండి నేరుగా పోషకాలను గ్రహిస్తాయి.

[{"selector":"#anim-7f1a72ae-74de-4bcd-b32e-d3388021b203 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-33.12499989760315%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-0f51ca3e-9591-42ba-ab51-508533452cd4","keyframes":{"opacity":[0,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-01863e87-9503-4b92-9694-658e7114d6bb","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

6. హైడ్రాస్.. వీటికి కూడా గుండె ఉండదు.

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7.నెమటోడ్లు, లేదా రౌండ్‌వార్మ్‌లకు గుండె ఉండదు.

[{"selector":"#anim-046e3679-1260-433c-a8f1-cf9a69ad9821 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-26.867187359630982%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-8b2edf6e-6575-432c-a88a-32b5760b0f3e","keyframes":{"transform":["translate3d(-116.19048%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .8, 1)","fill":"both"}] [{"selector":"#anim-6fc8dbb4-9fa0-4265-bdc1-cd5303a6114a","keyframes":{"transform":["rotateZ(-180deg)","rotateZ(0deg)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(.2, 0, .5, 1)","fill":"forwards"}]

8. స్టార్ ఫిష్ వంటి ఎచినోడెర్మ్‌లకు గుండె ఉండదు.

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