Our skeleton is a very rigid structure of bones which provides support for our muscles, skin and its task is also to protect our vital organs. Whithout the bone we would be unable to do anything, beacuse
our nerves, blood flow, lungs, organs would be blocked and squeezeed
.
What would happen if you had no muscles in your body?
Without muscle,
humans could not live
. The primary job of muscle is to move the bones of the skeleton, but muscles also enable the heart to beat and constitute the walls of other important hollow organs.
Why do we need bones and muscles?
Bones don’t work alone — they need
help from the muscles and joints
. Muscles pull on the joints, allowing us to move. They also help the body perform other functions so we can grow and remain strong, such as chewing food and then moving it through the digestive system.
What body part has no muscles?
Some human body parts have become useless over the past few million years. Useless body parts include
the appendix
, the tail bone, and the muscle fibers that produce goose bumps.
What is the strongest muscle in the human body?
The strongest muscle based on its weight is
the masseter
. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars.
How can we keep our bones and muscles healthy?
- Choose calcium-rich foods like: …
- Get enough vitamin D to keep your bones strong. …
- Get enough nutrients to keep your bones strong. …
- Stay active to keep your bones strong. …
- Limit caffeine to keep your bones strong. …
- Limit alcohol to keep your bones strong. …
- Don’t smoke or try to quit to keep your bones strong.
Why do we need bones?
Bones provide support for our bodies and help form our shape
. Although they’re very light, bones are strong enough to support our entire weight. Bones also protect the organs in our bodies. The skull protects the brain and forms the shape of the face.
Which is the longest bone in our body?
The longest bone in the human body is called
the femur, or thigh bone
.
What organ can you live without?
You can still have a fairly normal life without one of your
lungs
, a kidney, your spleen, appendix, gall bladder, adenoids, tonsils, plus some of your lymph nodes, the fibula bones from each leg and six of your ribs.
Where is the smallest muscle in your body?
Your middle ear
is home to the smallest muscle. Less than 1 millimeter long, the stapedius controls the vibration of the smallest bone in the body, the stapes, also known as the stirrup bone.
What are the 4 types of muscles?
- Skeletal muscle – the specialised tissue that is attached to bones and allows movement. …
- Smooth muscle – located in various internal structures including the digestive tract, uterus and blood vessels such as arteries. …
- Cardiac muscle – the muscle specific to the heart.
Which is the weakest muscle in human body?
Stapedius | TA2 2103 | FMA 49027 | Anatomical terms of muscle |
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What part of your body is the heaviest?
- Skin. Skin © iStock. Average weight: 4,535g. …
- Liver. Liver © iStock. Average weight: 1,560g. …
- Brain. Brain © iStock. Average weight: 1,500g. …
- Lungs. Lung © iStock. …
- Heart. Heart © iStock. …
- Kidneys. Kidneys © iStock. …
- Spleen. Spleen © iStock. …
- Pancreas. Pancreas © iStock.
How tough is the human body?
After looking at kicks from several different fighting styles, they found that experts could generate
up to 9,000 newtons
with them, equal to roughly a ton of force. A quick, sharp blow that delivers some 3,300 newtons of force has a 25 percent chance of cracking an average person’s rib, she said.
Which fruit is best for bones?
Food Nutrient | Tomato products, raisins, potatoes, spinach, sweet potatoes, papaya , oranges, orange juice, bananas, plantains and prunes. Potassium | Red peppers, green peppers, oranges, grapefruits, broccoli, strawberries, brussels sprouts, papaya and pineapples. Vitamin C |
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How can we protect our bones?
- Get enough calcium and vitamin D and eat a well balanced diet.
- Engage in regular exercise.
- Eat foods that are good for bone health, such as fruits and vegetables.
- Avoid smoking and limit alcohol to 2-3 drinks per day.