A normal blood cell is round and almost donut-like in shape. Sickle cells are hard, rigid, and shaped in a curve.
It causes blood pressure to increase.
Answer:
In future schooling, expectations would be that, the students choose classes that are at their skill level.
Explanation:
As the future education is expected to strengthen the learning process, it will be more student oriented learning. In order to incorporate this kind of learning, the system is expected to choose personalized teaching, so that students can choose subjects as per their skills.
This would enhance their expertise on any field. As every peer is different in their skills and education should focus on their strengths and not in weaknesses.
A phrase to describe a negative feedback loop could be: self-regulating (though I'm not sure the exact word you're looking for).
