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 TLAuthor: Rajil TL
Rajil TL is a SenseCentral contributor focused on tech, apps, tools, and product-building insights. He writes practical content for creators, founders, and learners—covering workflows, software strategies, and real-world implementation tips. His style is direct, structured, and action-oriented, often turning complex ideas into step-by-step guidance. He’s passionate about building useful digital products and sharing what works.
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 TLBasics
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