Muscles

Heroes in movies and comic books all have massive chests and bulging muscles that ordinary people don't. Build a muscle body suit from foam rubber that will imitate the look of someone who works out…

Sound waves are an example of longitudinal waves. These mechanical waves transport energy through a medium, such as air. This energy is moved along the wave through the vibration of the medium's…

Without resonance, singing would be like playing a stringed instrument with only the strings and no body. The resonance of your voice will make the difference between quality singing and falling flat.…

Tree kangaroos have traditionally been food for the indigenous people of Australia; however tree kangaroos prefer to eat only vegetation themselves. Tree kangaroos are found in the forests of Papua…

A longitudinal study is conducted over time; the time frame can be days, months, years or decades or any other unit of time. Longitudinal studies may be experimental in which the researcher is…

Perhaps at one time or another you've watched ripples spreading over a pond from two different points. When the ripples from two different wavefronts meet, they form an interesting interference…

In any living thing, anatomy and physiology are inextricably linked. An onion plant is no exception. Among botanists -- scientists who study plants -- alternate terms for anatomy and physiology are…

Organ systems conduct the functioning of animal physiology. The need for movement and locomotion, essential abilities of animals (including humans), has effected the evolution of the muscular organ…

In a longitudinal wave, the particles in the medium through which it travels move back and forth parallel to the direction of wave travel. In other words, the direction of displacement is parallel to…

"Fable 3" offers the player many offensive options for tackling the game's many enemies. As well as melee and firearm based weaponry, the player can unlock a series of spells to cause havoc. It is not…

Longitudinal waves are quite different from transverse waves. With transverse waves, particles are displaced vertically, perpendicular to the direction of wave travel, such as with a taunt rope being…

Wave energy, such as sound or pond ripples, moves through substances in one of two different ways: transversely and longitudinally. Transverse waves move up and down or side to side; longitudinal…

The presence of gravity helps sustain life on Earth. The lack of gravity in outer space is an obstacle to living in space. The first organisms to travel into space were animals. In 1961, cosmonaut…

Transverse and longitudinal waves are both types of mechanical waves. Mechanical waves require a medium through which to propagate, eliminating the ability to transmit these waves through vacuums. The…

As a woman, knowing how to fake a guy's voice can be a useful trick. You can use it to deflect telemarketers, fool your friends, or even perform in a drag show. The obvious problem is that men's…

The human foot has two primary longitudinal arches: medial and lateral. Beginning at the back of the foot (heel) the medial arch moves in the direction of the big toe while the lateral goes in the…

Tightening your PC, or pubococcygeus, muscles keeps your sphincter and vaginal canal firm and tight. This is especially important when bearing children. The exercise known as the Kegel exercise is…

"Dragon Ball Z: Budokai 3" is the third installment in the Dragon Ball Budokai series for PlayStation 2. If offers players the opportunity to play as their favorite characters through Dragonball Z,…

From the experience of real life astronauts to the action-packed exploits of science fiction heroes, the idea of floating free from gravity's constraints captures imaginations; it inspires generations…

Earthworms are hermaphrodites, which mean they have male and female reproductive organs. Sexually mature worms have a band around their body, called the clitellum, which changes color from pinkish to…

Earthworms are sometimes sought out as fishing bait or by simply curious kids. But finding earthworms on the surface can prove tricky if there aren't compost piles or rocks to look under. A few…

"Dragon Ball Z: Budokai 3," released for the PlayStation 2 console in November 2004, begins with a tournament of champions. You'll unlock the character of Vegeta during the normal course of the game,…

Earthworms are composed of a series of segments, each with its own inner circular muscles and exterior longitudinal muscles. Earthworm movement begins with a contraction of the inner muscles nearest…

Video game players who enjoy Fable 2 on their Xbox 360 systems have the capability to alter their appearance by consuming various foods and increasing muscle. To gain more muscle, adhere to a focused…

Earthworms belong to the phylum Annelidae along with leeches and marine worms. Earthworms are segmented. Many of the segments containing duplicate structures or features, while others are…

The sole of the foot is also called the plantar surface. There are several bones involved in forming the sole of the foot, including three arches. The arches of the foot are formed by the shapes of…

In "Fable 2" for the Microsoft Xbox 360, players manipulate the way they look by eating different foods and adding attributes to different characteristics such as charm and muscle. To increase muscle,…

The lithium and potassium concentrations engage in a delicate balancing act in the human body. Both are trace elements which perform necessary functions in human physiology. However lithium can…

Earthworms are annelids, the class of worms with segmented bodies. With 2,700 different species, they form a complex and prolific group. Earthworms live mostly below the surface of the soil or under…

Earthworms are tubular creatures with a digestive system and two main blood vessels extending the length of their bodies. Unlike most creatures, earthworms have no eyes, noses or mouths. Earthworms…

Frogs are the most successful of modern amphibian groups, with numbers nearing 4,000 living species. Their unique jumping abilities have proved invaluable in both predator avoidance and prey-capture…

All the systems of the body work closely together to maintain homeostasis--the dynamic balance of internal conditions which the body works constantly to preserve. The muscular system and circulatory…

Birds require a respiratory cycle just like mammals in order to supply their muscles and tissues with oxygen and to remove built-up CO2 from the body. Unlike mammals, however, birds do not use just…

The larynx is also known as the voice box because of its central function in humans of producing language from sound. Its other roles, however, are just as critical for the proper functioning of a…

There are approximately 650 skeletal muscles in the human body. A muscle contraction is the act by which muscles generate tension and force. Each posture of the body may be the result of both a…

Large motor skills, commonly called gross motor skills, involve the large muscles of the body that enable us to walk, run and throw a ball. These skills begin to develop as early as 4 to 6 weeks of…

The orbit of the eye, sometimes called the eye socket is the bony part of the skull that houses and protects the eyeball. In addition to the eye itself, the orbit contains related soft tissues that…

The iris is the visible, colored part of the eye. It controls the pupil, a small opening that expands and contracts to allow more or less light to enter the eye.

The vestibular system is the system in the body that maintains balance, posture and the body's orientation in space. This system also regulates locomotion and other movements and helps keep objects in…

Changing your voice takes time and practice. Some people may want to learn an accent so they can blend into a new region or for a play. Others may want to change the pitch and tone of their voice to a…

Hair follicles are the tiny holes located all over the human body where hair grows. Hair grows on all mammals, and it starts in the tiny follicle. Even whales have follicles, although the hair is not…

To increase muscle in your gluteus maximus, medius and minimus, you need a regular and varied workout routine that consists of stretching, cardiovascular endurance and weightlifting.

Frogs are one of Mother Nature's most amazing creations. Highly skilled and specialized hunters, frogs are able to jump long distances and capture prey from afar with their long tongues. Frogs have…

Traditional typing classes and instruction may seem boring and outdated to those interested in the flashiest new games and technology. Thankfully, it is not necessary to perform boring, repetitive…

Having a solid set of typing skills can be a valuable addition to a resume. With the use of computers and the Internet in just about any job field, it's beneficial for an employee to be well-learned…

The lungs are the largest organs in your body that work with your respiratory organs, such as the nose and larynx to facilitate respiration. With the help of your lungs, you are able to take in…

Muscle cells are designed primarily to allow movement of different parts of your body. This include both the external and internal parts of your body. One of the important internal organ movements…

We have three different kinds of muscle, including skeletal muscle, smooth muscle and cardiac muscle. However, all muscles are made up of fibers that contract using the same mechanism: the sliding of…

A vacuum can be described as either a volume devoid of matter, or a volume in which the pressure is significantly below that of atmospheric pressure. Since the former is only a philosophical concept,…

Human ears consist of three parts: the outer ear, middle ear and inner ear. Sound is relayed through this delicate system through a series of vibrations from component to component. Deafness occurs…

According to Dr. Len Kravitz at the University of New Mexico, exercise causes muscle growth through a process called muscle hypertrophy. When muscles experience hypertrophy as a result of exercise,…

There are over 600 muscles in the human body and there is no single best way to remember them all. In anatomy and physiology class, students are often advised to remember muscles by size, shape,…

Being able to raise just a single eyebrow can be both entertaining and useful, depending on the situation. Whether you're at a Star Trek convention and want to show off in front of your friends, or…

A lovely singing voice is a gift. Some of us have it, some of us don't. Even if you were not born with an amazing voice, there are steps you can take to instantly improve your singing voice. The same…

There are three different kinds of muscles in the human body. Skeletal muscles, considered the major group of muscles, are attached to the bone and work together to help control body movement. Smooth…

The Russian cosmonaut Yuri Gagarin was the first person to experience the weightlessness of space when he spent 108 minutes orbiting the Earth in April of 1961. Since that time, scientists have been…

A black eye is a form of hematoma, specifically, a bruise. Hematoma is any form of internal bleeding. A bruise occurs when the blood is outside the vessels but below the skin. Most bruises occur as a…

The kangaroo is one of the few animals that are unable to walk. Their feet simply are not designed for walking, but their strong hind legs equip them with the marvelous ability to hop. It is not…

The skeleton is the rigid framework that gives a body its general shape, but on its own, it is incapable of movement. What makes a skeleton move is the contraction and relaxation of muscles connected…

Extreme body-builder, thick-accented action movie star, California's "Governator"; Arnold Schwarzenegger is truly a jack of all trades. While there is plenty for which this native Austrian can be…

This experiment is an activity that many kids learn in science class. It demonstrates how your muscles release restrained energy. In the experiment, you press your arms against both sides of a…