alimentary cycle

简明释义

食物环

英英释义

例句

1.Understanding the alimentary cycle helps in diagnosing digestive disorders.

理解消化循环有助于诊断消化系统疾病。

2.The study of the alimentary cycle is crucial for understanding how nutrients are processed in the body.

研究消化循环对于理解营养在体内的处理至关重要。

3.Researchers are examining the alimentary cycle to develop better dietary recommendations.

研究人员正在研究消化循环以制定更好的饮食建议。

4.The alimentary cycle can be affected by various factors such as diet and health conditions.

各种因素如饮食和健康状况都可能影响消化循环。

5.In biology class, we learned about the alimentary cycle and its role in digestion.

在生物课上，我们学习了消化循环及其在消化中的作用。

作文

The term alimentary cycle refers to the series of processes involved in the ingestion, digestion, absorption, and excretion of food within living organisms. Understanding this cycle is crucial for both biology students and anyone interested in nutrition and health. The alimentary cycle begins with the intake of food through the mouth, where mechanical and chemical digestion starts. Saliva, which contains enzymes, begins breaking down carbohydrates, while the teeth grind the food into smaller pieces. This initial step is vital as it prepares food for further digestion in the stomach.Once swallowed, the food travels down the esophagus and enters the stomach, where it encounters a highly acidic environment. Here, the alimentary cycle continues with the breakdown of proteins by gastric juices. The stomach churns the food, mixing it with these digestive fluids, which transforms it into a semi-liquid substance known as chyme. This process is essential for the efficient absorption of nutrients later on.After the stomach, chyme moves into the small intestine, where the majority of nutrient absorption occurs. The walls of the small intestine are lined with tiny, finger-like projections called villi, which increase the surface area for absorption. Nutrients such as amino acids, fatty acids, vitamins, and minerals pass through these villi into the bloodstream, where they are transported to various cells and tissues throughout the body. This stage of the alimentary cycle highlights the importance of a balanced diet, as different foods provide different essential nutrients.Following this, any remaining undigested food passes into the large intestine. Here, water and electrolytes are absorbed, and the waste material is compacted into feces. The role of the large intestine in the alimentary cycle is often overlooked, but it is crucial for maintaining hydration and electrolyte balance in the body. Finally, the waste is expelled from the body through the rectum, completing the alimentary cycle.In summary, the alimentary cycle encompasses all the stages of food processing in an organism, from ingestion to excretion. Each component of this cycle plays a vital role in ensuring that the body receives the necessary nutrients for energy, growth, and overall health. A thorough understanding of the alimentary cycle can help individuals make informed dietary choices, emphasizing the significance of nutrition in our daily lives. By recognizing how our bodies process food, we can appreciate the complexity of biological systems and the importance of maintaining a healthy diet for optimal functioning.

“alimentary cycle”这个术语指的是生物体内食物摄入、消化、吸收和排泄的系列过程。理解这个循环对生物学学生以及任何对营养和健康感兴趣的人来说都是至关重要的。alimentary cycle的开始是通过口腔摄入食物，在这里机械和化学消化开始进行。唾液中含有的酶开始分解碳水化合物，而牙齿则将食物磨碎成更小的块。这一步骤至关重要，因为它为食物在胃中的进一步消化做准备。吞咽后，食物经过食道进入胃，在那里遇到高度酸性的环境。在这里，alimentary cycle继续进行，胃液分解蛋白质。胃将食物搅拌，与这些消化液混合，转变为一种称为食糜的半液态物质。这个过程对于后续的营养物质有效吸收至关重要。食糜随后进入小肠，在这里大部分营养物质的吸收发生。小肠的壁上布满了微小的指状突起，称为绒毛，这些绒毛增加了吸收的表面积。氨基酸、脂肪酸、维生素和矿物质等营养物质通过这些绒毛进入血液，随后被运输到全身各个细胞和组织。这一阶段的alimentary cycle强调了均衡饮食的重要性，因为不同的食物提供不同的必需营养素。接下来，任何未消化的食物会进入大肠。在这里，水分和电解质被吸收，废物材料被压缩成粪便。人们常常忽视大肠在alimentary cycle中的作用，但它对于维持身体的水分和电解质平衡至关重要。最后，废物通过直肠排出体外，完成alimentary cycle。总之，alimentary cycle涵盖了生物体内食物处理的所有阶段，从摄入到排泄。这个循环的每个组成部分在确保身体获得所需营养以维持能量、增长和整体健康方面都发挥着至关重要的作用。全面理解alimentary cycle可以帮助个人做出明智的饮食选择，强调营养在我们日常生活中的重要性。通过认识到我们的身体如何处理食物，我们可以欣赏生物系统的复杂性，以及保持健康饮食以实现最佳功能的重要性。