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Cardiorespiratory endurance
Mammals have 4-chambered hearts and one pair (2 total) of lungs.
Fish and worms have hearts, no lungs. So does a deck of cards.
It'll hurt your lungs and is no good for your endurance.
Jogging
Earthworm.
Heart and lung endurance is how effectively your heart and lungs work when you exercise and how quickly they return to normal when you stop.
yes, the hearts atria is bigger because its leads out the body from the lungs.
They have enlarged hearts and lungs
pumanary artery
There is no such mammal.
Endurance activity