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THE VERY BASICS OF HUMANS AND THE WORLD WE INHABIT
Q. What is nutrition?
Q. What do you need to better understand nutrition?
Its Atoms and Molecules that Make the Man, Not the Clothes
Q. What is the most basic composition of our body?
Q. What is the element composition of our body?
Q. What is the relationship between elements and atoms?
Q. Can certain atoms have a charge? Q. Is the transfer of electrons between atoms random? Q. How do atoms combine with each other?
Q. What is the design of molecules?
Q. How do molecules interact with one another?
Q. What are enzymes?
Q. Is it possible for chemical reactions to be linked together?
Energy Is Everything
Q. What is energy?
Q. Do chemical reactions involve energy?
Q. How does food energy become our body’s energy?
Water Solubility Determines How Chemicals Are Treated in Our Body
Q. Why do some things dissolve in water while others do not?
Acids and Bases Contribute to the Chemistry of Our Body
Q. What are acids and bases?
Q. How do we measure acidity or alkalinity?
Free Radicals Are Biological Bullies while Antioxidants Are Cellular Superheroes
Q. What are free radicals and antioxidants?
HOW OUR BODY WORKS
Cells are Little Life Units
Q. What are cells?
Q. What do cells look like?
Q. What types of substances are found in the intracellular and extracellular fluids?
Q. What would we expect to find inside of our cells?
Q. Do individual cells and our body as a whole attempt to maintain an optimal working environment?
Q. What is the composition of the plasma membrane?
Q. Do proteins in the plasma membrane have special roles?
Q. What is DNA?
Q. What does “tissue” mean, and and do the tissues throughout our body work as a team?
Cells Produce Energy
Q. Where is ATP made in cells?
Q. What does the term metabolism mean?
The Skeleton provides the Framework of our Body
Q. What is the skeleton?
Q. What is bone?
Q. Is bone constantly changing?
Nervous Tissue Is Electrical and “Excitable”
Q. What is nervous tissue?
Q. How do neurons work?
Q. How do neurons become excited?
Q. How do neurons communicate?
Q. What is the brain?
Q. What is the spinal cord?
Skeletal Muscle Lets Us Move
Q. What is skeletal muscle?
Q. How does skeletal muscle work?
Q. What powers muscle contraction?
Q. What is calcium’s role in muscle contraction?
The Heart and Circulation Are a Delivery System
Q. What is the heart and circulation?
Q. How does our heart work?
Q. What is the composition of blood?
Q. What are red blood cells?
Q. How do we bring oxygen into our body and get rid of carbon dioxide?
Q. How does the heart supply blood ?
Q. What is cardiac output?
Q. Where does the cardiac output go?
Q. What is blood pressure?
Our Kidneys Are Filtering Systems
Q. What do our kidneys do?
Q. What is the composition of urine?
Q. Do our kidneys do anything else?
Digestion Makes Nutrients Available to Our Body
Q. What does “digestion” mean and what is it all about?
Q. What happens to food in the mouth?
Q. What is the stomach and what does it do?
Q. What happens to food after it leaves the stomach?
Q. What is bile?
Q. What is the colon?
Q. What is the composition of feces?
Hormones Are Messengers Traveling in Our Blood
Q. What are hormones? |
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