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THE KNOWLEDGE LIBRARY

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Basics

Lungs: Bronchi and Alveoli

The end of the trachea bifurcates (divides) to the right and left lungs. The lungs are not identical.…

July 14, 2021 · Rajil TL
Basics

The Respiratory System

Figure 20.1. Lungs, which appear as nearly transparent tissue surrounding the heart in this X-ray of a dog…

July 14, 2021 · Rajil TL
Basics

Sliding Filament Model of Contraction

For a muscle cell to contract, the sarcomere must shorten. However, thick and thin filaments—the components of sarcomeres—do…

July 14, 2021 · Rajil TL
Basics

Muscle Contraction and Locomotion

Muscle cells are specialized for contraction. Muscles allow for motions such as walking, and they also facilitate bodily…

July 14, 2021 · Rajil TL
Basics

Types of Synovial Joints

Synovial joints are further classified into six different categories on the basis of the shape and structure of…

July 14, 2021 · Rajil TL
Basics

Joints and Skeletal Movement

The point at which two or more bones meet is called a joint, or articulation. Joints are responsible for movement,…

July 14, 2021 · Rajil TL
Basics

Growth of Bone

Long bones continue to lengthen, potentially until adolescence, through the addition of bone tissue at the epiphyseal plate.…

July 14, 2021 · Rajil TL
Basics

Intramembranous & Endochondral Ossification

Intramembranous ossification Intramembranous ossification is the process of bone development from fibrous membranes. It is involved in the formation…

July 14, 2021 · Rajil TL
Basics

Bone Tissue

Bones are considered organs because they contain various types of tissue, such as blood, connective tissue, nerves, and…

July 14, 2021 · Rajil TL
Basics

The Musculoskeletal System

Figure 19.1.  Improvements in the design of prostheses have allowed for a wider range of activities in recipients.…

July 14, 2021 · Rajil TL