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Muscular System
The muscular system allows humans to move. Muscles also provide strength, balance and heat.
11,239 Questions
What happens when arrector pilli muscles contract?
These are the muscles that make your hair stand up.... goose bumps, anyone?
What muscle is named after its shape?
The muscle is made up of the body. The body is made up of a group of blood vessels, nerves, muscles cells and tissues called fasciles. The fasciles are made up of a muscle cells that span the length of the muscle body. The muscle cell is made up of the sarcoplasmic reticulum, t-tubules, sarcoplasm, sarcolemma, myofibrils (actin and myosin)....the shape of a muscle varies.
Explain the difference between the two types of skeletal muscle tissue?
Skeletal muscle tissue differs from cardiac tissue in that skeletal muscles are striated muscles that require conscious stimulation to act, and cardiac muscles are smooth and basically run "automatically".
What reflex causes muscles relaxation and lengthening in response to muscle tension?
The reflex of the Golgi tendon.
Which system is important for digesting food?
Just about every other system. The digestive system gets energy and nutrients from the food you eat and gives them to the other systems, and therefore is what allows all the other systems to run.
How do you attach the prosthetic arm?
Get a doctor then tell to reattach your arm or just find a phone and call the ambulance
What term describes the loss of sensation and voulntary muscle movements?
Loss of sensation an involuntary muscle movement is a sign of an extreme medical problem. It's best to see a doctor immediately about the cause of these symptoms.
Thigh muscle is an example of?
What muscle maintains upright position?
For upright posture, many to name, but mainly focusing on extension from ankles to head:
quadriceps (knee ext), gluteus maximus and hamstings (hip ext), gastrocnemius/soleus (preventing anterior translation of tibia and knee buckling), lumbar through capital extensors (iliocostalis, longissimus, spinalis, semispinalis, multifidus, quadratus lumborum, interspinales, rectus capitis posterior major & minor, obliquus capitis superior- to maintain spinal extension); as well as scapular stabilizers to prevent winging and hold shoulders back (rhomboids, trapezius, serratus anterior). I'm sure I left a few out, but you have the majority here
What is the primary muscle used when running downhill?
There are several muscles that are used for walking downhill. These include all of the leg muscles and many abdominal muscles.
What structure divides the thoracic and abdominal cavitities in the fetal pig?
Diaphragm - same thing that divides it in all mammals.
Which bone joint help us move your head?
The atlas bone (named after Atlas in Greek mythology who held up the world). The first of the cervical vertebrae are the smallest vertebrae.
How does your muscles help your lungs work?
Swimming helps your lungs because to swim faster you hold your breath and by holding your breath often it makes your lungs stronger.
How can one treat cardiac arrhythmia?
Cardiac arrhythmia only needs to be treated if it is causing signigicant symptoms, or puts you at risk for a greater health problem. It can however be treated with medications, therapy, and overall knowledge from your doctor.
What conscious decision to contract a muscle group or initiate a movement?
Skeletal (or striated) muscles
What back muscles are used in tug of war?
You use all the muscles in your arms and legs. If you weight more it will help :)
Describe the muscle activity involved in normal relaxed breathing?
Normal relaxed breathing is referred to as tidal volume. This is produced by the action of the diaphragm muscle only. It is also referred to as diaphragmatic breathing and is associated with a relaxed state.
