If the resting pulse of an adult is at 20 bpm it means that they are an active person so their heart doesn’t need to pump/beat as much as a normal adult.
Can you please answer my question promise I will help you answer this one
The structures that project from the cell membrane
Ozone layer, right? Cause I mean... that's what heats the Earth's surface right? RIGHT!?! So yeah....I think it's the ozone layer.
