4.) Breathing rate is constantly being monitored and adjusted in the human body, which results in *
(1) the differentiation of mature body cells
(2) feedback mechanisms removing damaged cells
(3) modification of gene activity in cells
O (4) the internal environment being kept within certain limits

1

Explanation:

discussions and support camps the victims of human rights violations, by making them aware of their rights, the laws and the organisations which can be used to bring justice to them. they also provide mental calm to these people by them to open up and share their stories as well as buidling trust in each other.

mark brainliest!

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made