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Skeletal System

The skeletal system provides definite shape and mechanical support to the body, and it also helps in movement and locomotion. Ask questions about the skeletal system and bones here.

14,490 Questions

What sesamoid bone forms in the quadriceps tendon?

Sesamoid bones are also found occasionally at the metacarpophalangeal joints of the middle and ring fingers, at the interphalangeal joint of the thumb and at the distal interphalangeal joint of the index finger.

In the lower extremity the largest sesamoid bone of the joints is the patella, developed in the tendon of the Quadriceps femoris.

When do bones form?

Bones are formed in the third month of the pregnancy.

Why is the forearm so sensitive?

The forearm is sensitive due to a high concentration of nerve endings, particularly in the skin, which allows for the detection of touch, temperature, and pain. This sensitivity plays a crucial role in protecting the body, as it helps individuals respond quickly to potential injuries. Additionally, the forearm's sensitivity is essential for tasks requiring fine motor skills, enabling precise movements and coordination.

What happens when you dont take care of your muscular system?

you can't pick heavy up and you will be week and sports and stuff like that are harder to play try and do

life is easyer with mussels

and never forget that

+ excercising is how you get bigger mussels

...

... it actually starts breaking down - muscular atrophy

Why are you born with more bones?

Young people (Children) have the same amount of bones as an adult. All our bones are already grown or in a growing stage at birth. They only develop as we grow. The amount of bones stays the same for a child and an adult.

What is the uppermost and widest of the three bones comprising one of the lateral halves of the pelvis?

Ischium, Illiac, and Pubis. The Ischium is the part you sit on. The Illiac is the fan shaped part on the the superior (top) aspect. The pubis is the bone that bridges the pelvis (Os Coxae) in the front.

What is the proper name for a broken bone?

A fracture for a broken bone. If the bone is broken badly enough to stick out through the skin it is called a compound fracture.

What are the advantages of the spine being made up of smaller bones than one solid bone?

One long bone would not allow for the flexibility of motion which multiple bones, cushioned by intervertebral discs, allow for.

Why do i have Severe pain on last rib on the front of right rib cage following severe cough also pain on touch?

sounds like a sprained muscle. like all things involving rib injury's it will seem like forever before it is gone.

Why are bat bones different from whale bones?

I might be wrong, but I'm fairly sure they are hollow. Most mammals' bones are dense and built solid by calcium deposits, but bird bones are hollow so the animal is therefore light enough operate its wings and defy gravity.

Which muscles contracts when the leg is extended at the knee?

The muscle that contracts when the leg is extended at the knee is call the gastrocnemius muscle

What are the main parts to the skeletal system?

upper leg bone lower leg bone wrist bone thigh bone collar bone rib cage back bone skull tarsals eye socket shoulder bone knee cup jaw bone lower arm bone upper arm bone hyoid elbow bone ulnq scapula sternum metarcarpals vertebrae ciavacle femur tibia fibula phalanges hip bone phalngesradius

What does the urinary system filter?

The filtration takes place in the kidneys. For the diagram of the urinary (or renal) system, search either of them in the google images.

As for the exact area where this happens, search for the "bowman's capsule" or "glomerulus". This is a bed of capillaries where the 'junk' is filtered out from the blood. The blood flowing in the glomerulus (which happens to be in the bowman's capsule) is under a large pressure, which forces the impurities out.

What animals do not have a skeleton bones?

aswell as the obvious ones, sharks dont have any bones, they just have cartrilidge, like the end of our noses ;)

What flexible connective tissue that makes up our nose and ears?

Cartilage is the tissue that makes the tip of your nose flexible