Measuring the heart rate
The pulse is the rhythmic expansion of the arteries caused by the outflow of blood from the heart when it contracts.
01:00
Biologija
8 – 12. razred
Ključne riječi
mozaLink
/Poveznica
The pulse is the rhythmic expansion of the arteries caused by the outflow of blood from the heart when it contracts.
01:00
Biologija
8 – 12. razred
Ključne riječi
mozaLink
/Poveznica