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Bài viết của Lê Thị Khánh Huyền

Types of Body Movements

Synovial joints allow the body a tremendous range of movements. Each movement at a synovial joint results from the contraction or relaxation of the muscles that are attached to the bones on either side of the articulation. The type of movement that can be ...

Tác giả: Lê Thị Khánh Huyền viết 15:09 ngày 25/05/2018 chỉnh sửa

Leukocytes and Platelets

The leukocyte , commonly known as a white blood cell (or WBC), is a major component of the body’s defenses against disease. Leukocytes protect the body against invading microorganisms and body cells with mutated DNA, and they clean up debris. Platelets ...

Tác giả: Lê Thị Khánh Huyền viết 15:08 ngày 25/05/2018 chỉnh sửa

The Sociological Approach to Religion

From the Latin religio (respect for what is sacred) and religare (to bind, in the sense of an obligation), the term religion describes various systems of belief and practice concerning what people determine to be sacred or spiritual (Fasching and ...

Tác giả: Lê Thị Khánh Huyền viết 15:08 ngày 25/05/2018 chỉnh sửa

The Embryologic Perspective

The brain is a complex organ composed of gray parts and white matter, which can be hard to distinguish. Starting from an embryologic perspective allows you to understand more easily how the parts relate to each other. The embryonic nervous system begins as a ...

Tác giả: Lê Thị Khánh Huyền viết 15:08 ngày 25/05/2018 chỉnh sửa

The Calvin Cycle

After the energy from the sun is converted and packaged into ATP and NADPH, the cell has the fuel needed to build food in the form of carbohydrate molecules. The carbohydrate molecules made will have a backbone of carbon atoms. Where does the carbon come from? ...

Tác giả: Lê Thị Khánh Huyền viết 15:08 ngày 25/05/2018 chỉnh sửa

Seedless Plants

An incredible variety of seedless plants populates the terrestrial landscape. Mosses grow on tree trunks, and horsetails ([link]) display their jointed stems and spindly leaves on the forest floor. Yet, seedless plants represent only a small fraction of the ...

Tác giả: Lê Thị Khánh Huyền viết 15:08 ngày 25/05/2018 chỉnh sửa

Features of the Animal Kingdom

Even though members of the animal kingdom are incredibly diverse, animals share common features that distinguish them from organisms in other kingdoms. All animals are eukaryotic, multicellular organisms, and almost all animals have specialized tissues. ...

Tác giả: Lê Thị Khánh Huyền viết 15:07 ngày 25/05/2018 chỉnh sửa

General Relativity and Quantum Gravity

When we talk of black holes or the unification of forces, we are actually discussing aspects of general relativity and quantum gravity. We know from Special Relativity that relativity is the study of how different observers measure the same ...

Tác giả: Lê Thị Khánh Huyền viết 15:07 ngày 25/05/2018 chỉnh sửa

Genomics and Proteomics

The study of nucleic acids began with the discovery of DNA, progressed to the study of genes and small fragments, and has now exploded to the field of genomics . Genomics is the study of entire genomes, including the complete set of genes, their nucleotide ...

Tác giả: Lê Thị Khánh Huyền viết 15:07 ngày 25/05/2018 chỉnh sửa

Adjustments of the Infant at Birth and Postnatal Stages

From a fetal perspective, the process of birth is a crisis. In the womb, the fetus was snuggled in a soft, warm, dark, and quiet world. The placenta provided nutrition and oxygen continuously. Suddenly, the contractions of labor and vaginal childbirth forcibly ...

Tác giả: Lê Thị Khánh Huyền viết 15:07 ngày 25/05/2018 chỉnh sửa