pump blood you a******
to pump blood around the rat's body
Openings for the rat to breath in and out.
Christopher J. Pycock has written: 'Some effects of bretylium on adrenergic nerve function in rat heart. 1972'
4
650 min
Above the heart
To help rats to breathe
The sternum of a rat, like in other mammals, serves as a central point of attachment for the ribs, contributing to the ribcage's structural integrity and protecting vital organs such as the heart and lungs. It provides leverage for respiratory muscles, aiding in breathing by allowing the ribcage to expand and contract. Additionally, the sternum plays a role in supporting the overall posture and movement of the rat. Overall, it is crucial for both protection and respiratory function.
Yes. I believe all mammals do.
a rat's heart beat is almost fast enough so you can't tell one from the other. veeeeeeeery fast.
The lung function of a rat is to take in oxygen you breath and take it to the blood. Then it releases the carbon dioxide from your body.
To nurse baby rats.