References

https://byjus.com/biology/life-processes/

http://slideplayer.com/2452594/8/images/3/The+seven+life+processes+are%E2%80%A6%E2%80%A6.jpg

https://image.slidesharecdn.com/chapter6-lifeprocesses1introductionnutritionanddigestion-140625123731-phpapp01/95/chapter-6-life-processes-1-introduction-nutrition-and-digestion-20-638.jpg?cb=1412350956

https://images.twinkl.co.uk/tw1n/image/private/t_630/image_repo/5e/7a/T2-S-253-Life-Processes-Display-Banner.jpg

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTj8uyQC07409w9xr2yXNafjo_vxvVTl-6V625ZjwimI0JjZKwjEA

https://en.wikipedia.org/wiki/Nutrition

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSMBNmtMMAJAIHwAqpX7utG0LPVjK2h1FvXVY8mYgWhX1i0ctRO

https://en.wikipedia.org/wiki/Heterotrophic_nutrition

https://image.slidesharecdn.com/1-141116235846-conversion-gate02/95/biology-form-4-chapter-6-nutrition-part-1-4-638.jpg?cb=1416182382

https://byjus.com/biology/autotrophic-nutrition/

http://slideplayer.com/7039455/24/images/1/Digestive+System+Gastrointestinal+Tract+1.+Mouth+Accessory+Structures.jpg

https://en.wikipedia.org/wiki/Human_digestive_system

https://en.wikipedia.org/wiki/Intestinal_villus

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSzp8PUMhnxYeXP1CZdJetgPiwRXNnZKY-GYrZNuHzdRrbN-BGD

http://amazinghealthyfood.com/wp-content/uploads/2016/07/liver.jpg

https://youtu.be/i1aUVujviqk

https://youtu.be/08VyJOEcDos

https://youtu.be/RAz44jLrpY0

http://www.sciencekids.co.nz/sciencefacts/humanbody/digestivesystem.html

https://list25.com/25-fun-facts-about-the-human-digestion-system-you-probably-didnt-know/

http://warriors.warren.k12.il.us/dburke/amazingfactsdisgestive.htm

http://www.vtaide.com/png/digest-mcq.htm

http://highered.mheducation.com/sites/0072324813/student_view0/chapter5/multiple_choice.html

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRzEEpOuGlkE-CM2ULWKkx55IyK-GSIBCJjs_TSLMNOraU2TRF0

https://en.wikipedia.org/wiki/Respiration_(physiology)

http://www.bbc.co.uk/schools/gcsebitesize/science/triple_ocr_gateway/the_living_body/respiratory_systems/revision/1/

https://www.thoughtco.com/respiration-definition-and-types-4132422

https://image.slidesharecdn.com/chapter7-respirationpart1-141111210402-conversion-gate01/95/biology-form-4-chapter-7-respiration-part-1-8-638.jpg?cb=1415740022

https://qph.ec.quoracdn.net/main-qimg-44de1a0eb8a632ca176383154e53edb3

http://www.innerbody.com/anatomy/respiratory

https://bodysystemsofyourbody.weebly.com/uploads/2/0/1/6/20168427/757704_orig.jpg

https://youtu.be/zRv5tNCMpyY

http://warriors.warren.k12.il.us/dburke/amazingfactsrespiratory.htm

https://www.trulygeeky.com/interesting-facts-about-the-respiratory-system/

http://kidshealth.org/en/kids/rsquiz.html

http://biologyonline.us/Online%20A&P/AP%201/Northland/AP%20Study%20Questions/Respiratory%20System.htm

http://www.allthetests.com/quiz05/dasquiztd.php3?testid=1049290816

http://previews.123rf.com/images/radiantskies/radiantskies1212/radiantskies121203033/16983059-Abstract-word-cloud-for-Excretion-with-related-tags-and-terms-Stock-Photo.jpg

https://byjus.com/biology/excretion-in-humans/

http://www.med-health.net/images/10437732/image001.jpg

https://www.ck12.org/book/CK-12-Biology/section/23.4/

https://en.wikipedia.org/wiki/Excretory_system

http://www.justscience.in/articles/parts-and-functions-of-human-excretory-system/2017/06/19

https://en.wikipedia.org/wiki/Kidney

https://youtu.be/3UrpIQJarNE

https://youtu.be/tTijf-eEFeU

http://excretorysystem.organsofthebody.com/facts-abouts-excretory-system.php

https://sites.google.com/site/excretorysystem305/10-exciting-amazing-and-interesting-facts

https://excretorysystemmiguel.weebly.com/fun-facts.html

http://factslegend.org/35-facts-human-kidneys/

http://www.softschools.com/quizzes/biology/excretory_system/quiz889.html

https://www.biologyisfun.com/human-physiology/quizzes/excretory-system

https://pixfeeds.com/images/12/365622/1200-365622-176844784.jpg

https://static.diffen.com/uploadz/8/8f/sexual-reproduction.jpg

https://en.wikipedia.org/wiki/Reproduction

http://slideplayer.com/10580601/36/images/9/Make+a+Venn+Diagram+Asexual+Reproduction+Sexual+Reproduction+Both.jpg

https://youtu.be/Mxmu3phxSHw

https://biologydictionary.net/sexual-reproduction/

https://youtu.be/M0WKMUpV7_M

https://youtu.be/x1f7aCZj058

https://static1.squarespace.com/static/55f9740de4b06788affc824b/t/59e5e4dc12abd93ffa3c5d52/1508238562895/Sperm+and+egg.jpg

https://youtu.be/QyPAM0c4ZYA

https://youtu.be/VmlcRqdDqH4

http://www.medindia.net/health_statistics/health_facts/interesting-facts-about-human-reproductive-system.htm

http://www.bankofbiology.com/2013/01/amazing-facts-about-human-reproductive.html

http://reproductivesystem.organsofthebody.com/facts-abouts-reproductive-system.php

https://www.livescience.com/44076-reproductive-system-surprising-facts.html

http://manojsirscience4u.blogspot.in/2007/07/reproduction-in-organisms-i-mcqs-short.html

http://www.tutorvista.com/content/science/science-ii/reproduction/multiple-choice.php