Today’s Agenda…1-22 Bellringer: Compare organic and inorganic compounds. Turn in work from Thursday Review & Discuss last unit test Notes on Organic Compounds Chapter Review

Organic Compounds Science 7 Study Pack #3

Today’s target… I can explain the role of organic compounds in the human body.

Questions to ponder… Why do we need food? Why do we need different kinds of food? What happens to foods once we eat them? How does eating help us grow?

A Growing Body Our body needs these organic compounds to grow and develop Where do we get the additional compounds in order to grow larger and become more complex? Food and nutrients taken in and broken down by the body become the building blocks needed to help us grow

Getting Additional Building Blocks Where do we get carbohydrates? – Sugars and starches found in foods like potatoes, noodles, rice, and bread. What does the body use them for? – Your body breaks them down to produce energy for your cells – They also make up some cell parts, like the cell walls in plants and cell membranes

Getting Additional Building Blocks Where do we get proteins? – Foods like meat, eggs, fish, nuts, and beans What does the body use them for? – Proteins form parts of the cell membrane – They also make up many organelles – Certain cells use proteins to make body parts such as hair

Getting Additional Building Blocks Where do we get lipids? – Lipids are found in foods that come from animals like meat, cheese, and eggs What does your body use them for? – Cells store energy in lipids for later use Why might you gain weight if you eat to large amounts of foods containing lipids?

Getting Additional Building Blocks Where do we get nucleic acids? – Passed from parent to child What does your body use them for? – DNA directs all the cells functions – RNA plays an important role in making proteins for the body

Assignment Section Review #1-4