McDonald’s, Wendy’s, Olive Garden and China Garden – they all have something in common, they all serve FOOD. But all foods are not created equally. If you want to be healthy, you want to make sure that you are getting what you need. In this lecture, I talk about nutrition, starting with the 6 vital nutrients and where you ind them and how your body deals with those nutrients.

I end the section by talking about Calories and metabolism. What determines how many calories we need on a daily basis? Watch the video to find out.

This is section 35.1 in the textbook Biology: The Dynamics of Life and is part of the chapter on The Digestive and Endocrine Systems.

Outline:

  • The Vital Nutrients
  • Calories and Metabolism


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  • Yes, please go ahead. You can also go to our website for more Biology videos. You might find them useful in your class too. Have fun!

  • I do home ec in Ireland and this section is in both biology and home ec…videos are the only way i can study so this helped SO much! Thank you 🙂

  • I do home ec in Ireland and this section is in both biology and home ec…videos are the only way i can study so this helped SO much! Thank you 🙂

  • HI,iam a graduated nurse preparing to get my NCLEX exam and since graduated many many years ago and back to study is kind hard your video helped me a lot……..thank you soooooo much.actually u did a great job i loved your video,,,,they were very beneficial to me thanks a lot.

  • You should know that that old-school food pyramid fails big time in a human nutrition.

  • great video but not 2000 calories, its 2000 kilocalories! KILOcalories ;p
    2000 calories are 2kcal …its like eating 0,5grams of a carbohydrate source 🙂

  • Mr. Samuel you are the best teacher for biology i told all my friends about you and your website and now a days our teacher used to ask question and we answer it without any hesitation but before for me biology was a boring subject you really rock…!! please don’t stop your teachings our else i will fail in my bio exam….!!!

  • you are a good teacher but i need a help from you and that is that if you have any videos related to plants like:- vegetative propagation, flower, pollination and fertilization, structure and germination then please suggest me for grade 9….!! i need it as soon as possible please…!!!

  • how the hormone work when athlete start to run or play.
    -muscle
    -heart
    -blood vessel
    -lung

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