Answer:
Looking at tibetan highlanders who thrive at high altitudes- normally that would make us sick- they have adapted, 60% oxygen- could pose huge health issue (live with 10% less oxygen in blood than us)
Explanation:
Evolutionary adaptations- involve a change in the genetic makeup to help individuals survive in environment. Tibetans have adaptations to let them function at high altitudes
The answer is B. The cardiac, respiratory, and vasomotor
control centers are in the medulla. This means that the medulla controls heart
rate, blood pressure, breathing, and the size of the body's blood vessels. They
have chemoreceptors, pH sensing structures that detect levels of carbon dioxide in the blood and adjust the breathing rate accordingly.
The answer will be increase slightly and then decrease. Hope you get it!
1)A,d,c,B<br><br>
2)B,a,d,c <br><br>
3)C,d,a,b<br><br>
4)C,a,d,b
Vilka [71]
B,a,d,c is the correct answer for the question
A nucleus is primarily responsible for directing all processes and reactions in a plant cell. <span>The function of the </span>nucleus<span> in the </span>plant cell<span> is to store the </span>plant's<span> DNA and control the activity of the </span>cell <span>through protein synthesis. The </span>nucleus<span> is enclosed by the </span>nuclear membrane<span>, which has pores for the passage of RNA and proteins. </span>
