Your functions and blood are all moving by the force of gravity, so when everything is raised or lowered(moving your arm), your pulse wave changes. This can also result from subtlty in higher blood pressure, when activity occures. Just as your pulse waves changes in the rest of your body when excersising, you will have a slight change in pulse when simply moved your arm up and down, you're gettin' that blood pumping! ;)
Hope this helps :)
<span>the drug blocks a chemical reaction
</span>the drug stimulates a chemical reaction
Answer:
ovulation, fertilization, and implantation
development of an embryo and then a fetus
contractions of the uterus and dilation of the cervix
birth of the baby
expulsion of the placenta and cutting the umbilical cord
The answer is the third one , Forearm plank