Describe four functions of bones.

Mechanical Functions Protection

Protection. Bones are vital for protecting the most important and fragile organs in the body. The chest for example protects the heart, while the skull keeps the brain safe from harm.

Structure. Without bones, the body would have no frame and essentially be an immobile mass of flesh and tissue.

Movement. The bones pair up with the joints, ligaments, tendons and muscles to enable the body to move as it does.

Sound Transduction. Bones are also important for conduction vibrations which allow us to hear.

Synthetic Functions

Blood Production. Bone marrow, which is found in the central cavity of the body’s longer bones, is crucial for producing both red and white blood cells.

Metabolic Function

Mineral Storage. With phosphorus and calcium being the two most prevalent examples, the bones of the body store the most important minerals the body needs to function.

Fat Storage. Fatty acids are stored in yellow bone marrow to be called upon as energy reserves when needed.

Growth Factor Storage. Crucial growth factors are stored in mineralized bone matrix.

Acid-base Balance. Bone is extremely affective when it comes to both releasing and absorbing alkaline salts, which in turn helps preserve the pH balance of the body.

Detoxification. The tissue of human bones is capable of removing heavy metal and other toxins from the blood, so as to be stored safely away from the organs and slowly released to be expelled from the body in excretions.

Endocrine Organ. Bones release fibroblast growth factor which controls phosphate metabolism. Fat deposition and blood sugar levels are also controlled by the bones through the release of osteocalcin hormone, which is known to increase insulin production and help reduce excessive fat storage.

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to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made