All mammals have a four-chambered heart.
A mammalian heart has four chambers and they are right and left atrium and right and left ventricle.
Mammals have 4-chambered hearts and one pair (2 total) of lungs.
Coyotes, like humans, are mammals. Mammals have 4-chambered hearts. Even whales, which are technically mammals and not fish, have large 4-chambered hearts like humans do.
Dogs are mammals and so have four-chambered hearts.
Fish hearts have 2 main chambers: the atrium and the ventricle. Fish have the simplest hearts of all the vertebrates.
Four chambers i think
4 chambers as they are mammals.
Four chambers.
Human hearts have 4 chambers and an aorta, and so do most other mammals I'd believe. If you need a photo, try going to google images or bing images and search "mammal hearts" another answer:well mammals have different hearts,our hearts are usually the size of our fists clenched up
Birds, all mammals, and crocodiles all have four chambered hearts
Human and mammalian hearts have 4 chambers .
Plants do not have hearts. Only animals have hearts and most have four chambers and a few have three.