A conclusion?
The sentences that restates the topic sentence.
A topic sentence is always the first sentence of a paragraph. This holds true for transition paragraphs as well as standard paragraphs.
It restates the topic sentence in new words and wraps up the paragraph (apex)
A concluding sentence typically summarizes the main points of the paragraph or essay, provides a sense of closure to the reader, and restates the main idea in a fresh way. It helps to reinforce the overall message and leave a lasting impression on the audience.
The sentence that best restates the thesis in the concluding paragraph is: "In conclusion, the study provides compelling evidence to support the effectiveness of exercise in improving cardiovascular health and overall well-being."
Enough. An abstract of a scientific journal paper is usually one paragraph. It may, rarely, be technically two (or even three) paragraphs, but the additional "paragraphs" are usually limited to a single sentence each.
It restates the main idea of the paragraph using different words.
A well written conclusion sentence sums up or restates the main idea of the paragraph that preceded it.
The body paragraphs are located between the introductory and concluding paragraphs. The body paragraphs of your essay should support your thesis and give examples.
A hook and thesis statement in the introduction paragraph; a body with at least three supporting paragraphs, each focused on a topic sentence; and a conclusion paragraph that wraps up the essay and closes with a clincher sentence that restates the thesis in new words.
Thesis statement; Topic sentences; Clincher sentences that reinforece the main point of each body paragraph; Clincher sentence that restates the thesis
in the first paragprah, either the first or the last, but in the body paragraphs its the first sentence