Definition The levator scapulae muscle (sometimes called the lev scap) is a strap-like muscle found on either side of the back of the neck. When viewed from the posterior, the muscles are masked by the trapezius muscle in the upper back. There are two of these muscles, one on the left, and one on the … Read more
Definition The cephalic vein is a superficial vein in the upper arm that is often visible through the skin. The name means head (likely coming from the Latin ‘cephalicus’ or the Greek ‘kephalikos’). Veins form a complex network that allows all the tissues of the body to transport deoxygenated blood back to the heart. Lots … Read more
Decomposer Definition A decomposer is an organism that decomposes, or breaks down, organic material such as the remains of dead organisms. Decomposers include bacteria and fungi. These organisms carry out the process of decomposition, which all living organisms undergo after death. Decomposition is an important process because it allows organic material to be recycled in … Read more
Muscle Tissue Definition Animals have muscle tissue which functions by contracting, thereby applying forces to various parts of the body. Fibers of muscle cells are connected in sheets and fibers to form muscle tissue. Combined, these sheets and fibers form muscles, which control an organism’s movements, as well as other contractile functions. An animal’s muscles … Read more
Homeostasis Definition Homeostasis is an organism’s process of maintaining a stable internal environment suitable for sustaining life. The word homeostasis derives from Greek, with home meaning “similar,” and stasis, meaning “stable.” When used as an adjective, it is homeostatic. We normally think about homeostasis in terms of the whole body, but individual systems – that … Read more
Definition The deltoid muscle is a tripartite muscle mass that connects the humerus bone of the arm to the scapula and clavicle bones. When you raise your arms above your head, the deltoid muscle is at work. This muscle, also known as the common shoulder muscle, is seen in many different vertebrate species! Overview The … Read more
Actin and myosin are both proteins that are found in every type of muscle tissue. Thick myosin filaments and thin actin filaments work together to generate muscle contractions and movement. Myosin is a type of molecular motor and converts chemical energy released from ATP into mechanical energy. This mechanical energy is then used to pull … Read more
In production engineering, raw materials are transformed into finished products in a safe and efficient manner. A production engineer can work in a variety of fields and hold a variety of titles, such as industrial engineer, production manager, or production engineering assistant. Core Concept I – Math It is only through advanced mathematics concepts that … Read more
Are you interested in becoming a physical therapist? In spite of the fact that you need a Doctorate of Physical Therapy (DPT), you need to begin your education somewhere. The field is competitive and growing, so an undergraduate degree can help you get into top schools and give you a foundation for success. The following … Read more
The football players hit the locker rooms during halftime while the band takes the field – it’s their time to shine. For many American football fans, marching band halftime shows are a highlight of Game Day. It’s the flashy uniforms, the articulate steps, and the amazing choreography that get everyone going. In stadiums across the … Read more