Ch. 40-42 Wrap UpCh. 40-42 Wrap Up
• Do you know the importance of these vitamins? B1, folic acid, C, A, D Ch 41
• Do you know the importance of these minerals? Ca, P, S, K, Fe, I Ch 41
• Are you familiar with the insulin/glucagon feedback system? Ch 41
• What is in blood? Ch 42• What is the Bohr shift? Ch 42• How does the nervous system relate to the circulatory
and respiratory systems? Ch 42
Why do we eat?
• 1. Fuel for work
• 2. Raw materials for biosynthesis
• 3. Essential nutrients – (substances the body cannot make for itself) – There are four types of essential nutrients:
• amino acids(8), fatty acids, vitamins(13), minerals
• Minerals vs. Vitamins?
• Water soluble vs fat soluble
• Main minerals and their functions?– S P ONCH Ca K and (Fe, Mg, Na)
Homeostasis: Blood Glucose (0.1%)
PANCREAS: makes the hormones Insulin & Glucagon
Example: Negative Feedback loop to maintain homeostasis
Cellular elements of blood:
•Pluripotent stem cells
RBC production stimulated by:
Erythropoetin
• What is high altitude training?
Ch 43
• LOOKING AHEAD TO NEXT WEEK:
• You should spend some quality timequality time with figure 43.14
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