Transcript Circulation and Respiration

Animal Circulation and
Respiration
SUNY Orange at
S. S. Seward Institute
External gills of a salmon
Evolution of Circulation
Prokaryotes – diffusion
Unicellular eukaryotes –
cyclosis
Aquatic invertebrates
–Jellyfish
–hydra
Aurelia (moon jelly)
Internal transport in the cnidarian Aurelia
Open and closed circulatory systems
Generalized circulatory schemes of
vertebrates
The mammalian heart: a closer look
Overview: mammalian cardiovascular system
The cardiac cycle
The control of heart rhythm
The structure of blood vessels
The interrelationship of blood flow velocity, cross-sectional
area of blood vessels, and blood pressure
Blood flow in veins
Atherosclerosis: normal artery and
artery with plaque
Blood flow in capillary beds
The interrelationship of blood flow velocity, cross-sectional
area of blood vessels, and blood pressure
Sphygmomanometers
Measurement of blood pressure
Measurement of blood pressure
Measurement of blood pressure
Measurement of blood pressure
Hypertension –
high blood pressure
The interrelationship of blood flow velocity, cross-sectional
area of blood vessels, and blood pressure
Hypertension
Causes:
The movement of fluid between capillaries and the
interstitial fluid
Blood smear
The composition of mammalian blood
Differentiation of blood cells
Blood clot
The role of gas exchange in bioenergetics
Diversity in the structure of gills, external body
surfaces functioning in gas exchange
External gills of a salmon
The structure and function of fish gills
Countercurrent exchange
Tracheal systems
The mammalian respiratory system
Negative pressure breathing
Alveoli
Alveolar structure of mouse lung
Alveolar structure of mouse lung
animation
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The avian respiratory system
Automatic control of breathing
Loading and unloading of respiratory gases
Oxygen dissociation curves for hemoglobin
Dissociation curves for two hemoglobins
Carbon dioxide
transport in
the blood
The Weddell seal, Leptonychotes weddelli, a deep-diving mammal
Consider the respiratory
system in a human and the
respiratory system in a diving
mammal. What adaptations
are present in the diving
mammal and how to they
work to maintain homeostasis
while diving.