Blood flow to the exercising muscles of the brachium and thigh increased by 31- to 38-fold during moderate exercise and by 70- to 76-fold during severe exercise.
Student 2 is right.
<h3>Constant variables</h3>
In research investigations, some variables should be kept constant across various experimental groups in order for the outcome of the investigation to be valid.
For example, in order to test how flatworms respond to different environments, one variable that should be kept constant is the flatworms. The flatworms to be used must be of the same species, sex, age, etc.
The investigator can then go ahead to divide the flatworms into two or more groups and then subject them to different environments. Other variables should also be kept constant in order to determine the effects that are only specific to the different environments only.
More on constant variables can be found here: brainly.com/question/474060
#SPJ1
Nerve cells or neurons are, fundamentally, cells of the nervous system, they are responsible for the transmission of nerve impulses and communicate with one another through connections called synapses .
Neurons are typical of all vertebrates, although in the rest of the animal kingdom there are other cells that have similar functions.
So, the right answer is A. Horse.
Answer:
We're no strangers to love
You know the rules and so do I
A full commitment's what I'm thinking of
You wouldn't get this from any other guy
I just wanna tell you how I'm feeling
Gotta make you understand
Never gonna give you up
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
Never gonna say goodbye
Never gonna tell a lie and hurt you
Explanation:
Answer:
The correct answer is - option A. A difference in the cultural display rules.
Explanation:
Social or cultural displays rules are a social cluster or group and informal cultural norms to express their emotions in the correct way which are specific to cultural or social groups.
Pedro is an exchange student which makes his social norms different than the social norms or cultural display rules which cause difficulties to deal with the people and classmates.