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The possession of four pulmonary veins, along with the fact that a bird's heart is generally larger and more muscular per pound (or kilogram) or body weight than ours, explains why a bird's circulatory system is more efficient than ours. The left ventricle in a bird's heart is by far the largest chamber and has to work exceptionally hard in small birds which have hovering flight such as humming birds.
What else can I help you with?
Why does a birds heart work better than a frogs?
Birds have a 4- chambered heart so the blood doesn't mix Frogs have a 3- chambered heart so the blood mixes
What fundamental charateristics do frogs and birds share?
Frogs and birds are both vertebrates with skeletal systems, but frogs are amphibians and birds are avians. They have different reproductive strategies, with frogs laying eggs in water and birds laying eggs on land. Both groups are adapted for their specific habitats, with frogs having moist skin for absorbing oxygen, and birds having feathers for flight.
What is a butterfly's predator?
Birds, frogs, Spiders, people
The same basic internal organs kidneys stomach heart lungs are found in frogs birds snakes and rodents This is primarily an example of?
structural homology
What do spitting cobra eat?
they eat lizards, rodents, snakes, frogs, and birds
What are a grasshoppers enemies?
birds, frogs, praying mantis and by the way, your mom is fat
What animals eat bulrushes?
Muskrats, geese and frogs
What animals eat worms?
birds fish moles and monkeys
What would eat a butterfly?
Birds, frogs.
What is worms enemies?
frogs birds and more.
What lives in the rain Forrest?
frogs,birds
Do frogs have two-chamberd hearts?
frogs have a 3 chamberd heart.
