1. Section 4-3: homeostasis
Essential Question:
What changes in the body could affect heart rate, respiratory rate, and CO2 output to meet the demands of cellular respiration?
Section 4-3: homeostasis
Learning Target
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis. .

2. announcements Biology Tutoring this week: Lunch B (Tuesday & Thursday)
7:00AM (Monday – Friday)
After school Biology Tutoring: Tuesday
You must sign up for retakes during Biology Tutoring. 7:00AM retakes only. Last day to retake Section 3 is 11/01/16.

3. Color Printer Paper = 10 Points
announcements
Available Extra Credit:
Tissue Box = 2 Points
Plastic Pencil Box = 5 Points
Color Printer Paper = 10 Points

4. Organisms need the process of ___ ____ to make energy from their food.
overview
Cellular respiration
Organisms need the process of ___ ____ to make energy from their food.

5. overview
? + 6O2  6CO2 + 6H2O + Energy

6. GLUCOSE+ 6O2  6CO2 + 6H2O + Energy
overview
GLUCOSE+ 6O2  6CO2 + 6H2O + Energy

7. GLUCOSE+ 6 ?  6CO2 + 6H2O + Energy
overview
GLUCOSE+ 6 ?  6CO2 + 6H2O + Energy

8. GLUCOSE+ 6OXYGEN  6CO2 + 6H2O + Energy
overview
GLUCOSE+ 6OXYGEN  6CO2 + 6H2O + Energy

9. overview
GLUCOSE+ 6OXYGEN  6? + 6? + ?

10. GLUCOSE+ 6OXYGEN  6CARBON DIOXIDE + 6WATER + ATP
overview
GLUCOSE+ 6OXYGEN  6CARBON DIOXIDE + 6WATER + ATP

11. overview
C6H12O6 + 6O2  6CO2 + 6H2O + Energy

12. Respiratory rate is how fast organisms breathe in _____ and out ____ .
Oxygen/carbon dioxide
Respiratory rate is how fast organisms breathe in _____ and out ____ .

13. Respiratory rate
more
During exercise, the respiratory rate is increased to take in ___ oxygen.

14. If the respiratory rate increases, the heart rate ____ .

15. More oxygen in, means more oxygen to be pumped by the heart.
Heart rate
increases
More oxygen in, means more oxygen to be pumped by the heart.

16. Co2 output
increases
If the respiratory rate increases oxygen intake, it ____ carbon dioxide output.

17.
reflected