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What are motor areas of the cerebral cortex that lie in the posterior part of the frontal lobes and control voluntary movement?
primary motor cortex; premotor cortex; Broca's area; frontal eye field
Why do you burp when you lay on your left side?
When you lie on your left side, it can compress your stomach, potentially causing trapped gas to be released as a burp. This change in position can also affect the muscles and sphincters in your digestive system, leading to increased burping.
What are the three kinds of muscles?
There are three kinds of muscles in our bodies: (1) Voluntary muscles, which include the skeletal and facial muscles; (2) involuntary muscles, which are found among the muscles in the blood vessels, intestines, stomach, bladder and uterus, and (3) heart muscle.Voluntary muscles are also termed "striated" or striped muscles, because under a microscope they show alternating light and dark stripes or ridges running crosswise. Most of these muscles are long and narrow, as in the arms and legs; but others are sheet like, as those of the abdomen and the back. Voluntary muscles are endowed with a rich nerve and blood supply so that they can accomplish their purpose. Some, such as respiratory muscles, might be said to be both voluntary and involuntary. We use them voluntarily when we take a deep breath, but most of the time, and especially when we are asleep; they work without any volition on our part.By way of contrast, involuntary muscles are termed "smooth," for they are without these striped ridges. With the aid of the electron microscope a striking and purposeful difference has been discovered between the structure of the voluntary and the involuntary or smooth muscles. In smooth muscles the filaments that do the actual work of contracting are arrayed in parallel, overlapping one another, and at an angle of as much as 10 percent to the long axis of the muscle cell. This oblique arrangement of the filaments in smooth muscles may give them as much as ten times the strength that they would otherwise have and so enables them to sustain forceful contractions over long periods of time. On the other hand, the way the filaments lie in voluntary or striped muscles, in series or end to end, permits them to move with greater velocity or speed. And the amount of contraction can be far greater than in smooth muscle.The muscle of the heart is in a class by itself. Because of its great work load it has a special kind of construction, making it the strongest muscle in man. In woman, only the muscle of the uterus, needed to expel a baby at birth, is said to be stronger. Heart muscle is constructed after the pattern of voluntary muscle, but it functions as an involuntary muscle.
Are the kidneys anatomically located ventrally within the abdomen?
The kidneys are located behind (posterior to) the abdominal cavity, in the retroperotoneum.Yes, the kidneys are located outside of the peritoneal cavity. In anatomy, they are referred to as being "retroperitoneal".No. Unlike the other abdominal organs, the kidneys lie behind the peritoneum that lines the abdominal cavity and are thus considered to be retroperitoneal organs.Yes
What organs lie on the superior lateral sides of the diaphragm?
The lungs lie on the superior lateral sides of the diaphragm.
How can I effectively perform a hamstring raise exercise to strengthen my leg muscles?
To effectively perform a hamstring raise exercise, lie face down on a bench with your legs hanging off the edge. Keep your upper body stable and slowly lift your legs up towards the ceiling using your hamstrings. Lower them back down with control. Repeat for desired reps to strengthen your leg muscles.
Where does the cerebellum lie?
in the posterior cranial fossa (below the occipital lobe of cerebrum)
Where does the heart lie in relation to the lungs?
posterolateral Also known as : posterior, lateral, and superior.
Does the kidney lie above the rib cage?
In short, No. The kidney lie posterior to the abdominal cavity below the level of the last (12th) rib.
The left lung lies posterior to the heart?
The lungs lie lateral to the heart
How many muscles make up the quadrices?
Four According to Wikipedia: The quadriceps femoris (quadriceps, quadriceps extensor, guads or quads) includes the four prevailing muscles on the front of the thigh. It is the great extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur. It is subdivided into separate portions, which have received distinctive names. * Rectus femoris occupies the middle of the thigh, covering most of the other three quadriceps muscles. It originates on the ilium. It is named from its straight course. * The other three lie deep to rectus femoris and originate from the body of the femur, which they cover from the trochanters to the condyles: ** Vastus lateralis is on the lateral side of the femur. ** Vastus medialis is on the medial side of the femur. ** Vastus intermedius lies between vastus lateralis and vastus medialis on the front of the femur
Which organ do not lie within a body cavity?
The muscles and bones of the legs
How many pairs of intercostal muscles are there?
There are 11 pairs of intercostal muscles on each side (22 total muscles). The intercostal muscles lie between the ribs.
Can you build muscle in your breasts?
There are no muscles in breasts, just fatty tissue and mammary ducts. Pectoral(chest) muscles lie under the breasts. Call me
In which direction (relative to the spine) do the external oblique muscle fibers lie External Oblique muscles lie:?
run at an oblique angle to vertical direction of the spine.
What is an accessory organ of digestion consisting of skeletal muscles that lie in many different planes?
the tongue
Where are the muscles that flex the arm?
Biceps BrachiiBrachialisFlexor Carpi RadialisFlexor Carpi UlnarisBrachioradialisPronator Teresgenerally they are muscles that lie on the anterior portion of the arm when the body is in anatomical position.
