Blood is constantly pumped through
Blood vessels
Athropods have a ____ circulatory system
Open
Birds have a ___ circulatory system
Closed
What type of circulatory system do they have?
TRUE OR FALSE:
Flat worms have a circullatory system
FALSE
What system has blood partially contained with blood system?
Open circulatory system
Examples of arthropods
Crabs and insects
Their hearts conist of _ chambers
4
Amphibians have a ___ loop
Double
What happens to oxygen in water when moving through sponge cells?
Diffusion
In an opened circulatory system, where does the heart pump blood to?
Sinuses
What is transported throughout the circulatory system of an echinoderm?
Oxygen, food, waste
A birds heart rate is ___ than humans heart rate
faster
Fish have a ___ loop
Single
Reptiles have a ___ loop circulatory system
Double
How long can adult capillaries and viens stretch?
60,000 miles
How many blood vessels can be found in athropods?
The 2 seperations of oxygen
oxygen poor and oxygen rich
This part of a fish heart collects the blood from the viens
Sinus venosus
Crocodiles and alligators
When do the heart and blood vessels start developing?
Embyonic stage
Unique circulatory system that echinoderms have
Water vascular system
this mammal has the largest heart
Whale
Sinus venosus, atrium, ventricle, and bulbus arteriosus