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.
Earthworm.
It'll hurt your lungs and is no good for your endurance.
Jogging
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.
Aerobic endurance involves the heart, lungs, and muscles. The heart pumps oxygen-rich blood to the muscles, the lungs provide oxygen to the blood, and the muscles use the oxygen to produce energy for sustained physical activity. Strengthening these body parts can improve aerobic endurance.
yes, the hearts atria is bigger because its leads out the body from the lungs.
There is no such mammal.
pumanary artery
They have enlarged hearts and lungs