1. Catalyst
Describe one structure you saw yesterday during the lab.
I will describe the respiratory and circulatory systems.

2. Parapodium (functions as gill)
Fig a
Figure Diversity in the structure of gills, external body surfaces that function in gas exchange
Parapodium (functions as gill)
(a) Marine worm

3. Gills (b) Crayfish Fig. 42-21b
Figure Diversity in the structure of gills, external body surfaces that function in gas exchange
Gills
(b) Crayfish

4. Coelom Gills Tube foot (c) Sea star Fig. 42-21c
Figure Diversity in the structure of gills, external body surfaces that function in gas exchange
Gills
Tube foot
(c) Sea star

5. Figure 42.22 The structure and function of fish gills
Fluid flow
through
gill filament
Oxygen-poor blood
Anatomy of gills
Oxygen-rich blood
Gill
arch
Lamella
Gill
arch
Gill filament
organization
Blood
vessels
Water
flow
Operculum
Water flow
between
lamellae
Blood flow through
capillaries in lamella
Figure The structure and function of fish gills
Countercurrent exchange
PO2 (mm Hg) in water
150
120 90 60 30
Gill filaments
Net diffu-
sion of O2
from water
to blood
140
110 80 50 20
PO2 (mm Hg) in blood

6. Air sacs Tracheae External opening Tracheoles Mitochondria
Fig
Air sacs
Tracheae
External
opening
Tracheoles
Mitochondria
Muscle fiber
Body
cell
Air
sac
Tracheole
Figure Tracheal systems
Trachea
Air
Body wall
2.5 µm

7. Branch of pulmonary vein (oxygen-rich blood) Branch of pulmonary
Fig
Branch of
pulmonary
vein
(oxygen-rich
blood)
Branch of
pulmonary
artery
(oxygen-poor
blood)
Terminal
bronchiole
Nasal
cavity
Pharynx
Larynx
Alveoli
(Esophagus)
Left
lung
Trachea
Right lung
Figure The mammalian respiratory system
Bronchus
Bronchiole
Diaphragm
Heart
SEM
Colorized
SEM
50 µm
50 µm

11. Artery v. Vein

12. Big ideas.
Work with a partner or independently to respond the the questions.
You will be assigned a question to present to the class.
We will review these tomorrow at the beginning of the period.

14. Catalyst
Compare the experimental and control groups in an experiment.
I will analyze experiments.

15. Slight change…. Today/Tomorrow Preparing for your research setups.
Mozart Effect Analysis

16. Mozart Effect Part 1 – review in ~ 12 minutes
Part 3 – Only B: Get as far as you can, finish tonight
Reviewed in class tomorrow.

17. Catalyst
List three things the researchers controlled in the experiment you read last night.
I will prepare for my own experiment!

18. Today… Wrap Mozart 5 minutes review last nights assignment Check in
Video
Google form to submit your proposal & vote for the test day.
Essay due Jan 5 – the Tuesday we return.