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Explain the Skeletal System?
Skeletal System: The support framework, or skeleton, in the human body is composed of mostly hard mineral substances. Unlike crustaceans or insects who possess external skeletons (exoskeletons), humans have internal skeletons, or endoskeletons.
The human skeleton is divided into two parts, the axial skeleton and the appendicular skeleton. The axial skeleton includes the spine; the ribs; the sacrum, five united vertebrae at the end of the spinal column; the sternum or breastbone; and the cranium, or braincase. The appendicular skeleton contains 126 bones, including those of the arms, legs (the appendages), pelvis, and shoulders.
In addition functioning in locomotion, bones serve as mineral storage reservoirs and as protective cages -- the cranium protects the delicate brain tissue, ribs protect lungs, heart and other internal organs, and the backbone protects the spinal cord.
Select all that are true or correct regarding a buffer: alternately donating and accepting ions a set of chemicals that work together to resist pH change often a weak acid or base
Unlike bilaterally symmetrical animals, radially symmetrical animals are almost never able to move themselves from place to place. Why might it have been so difficult for radially
Methods to Overcome Incompatibility It has been possible to facilitate the germination of incompatible pollen by extracting pollen wall proteins from compatible pollen and su
important of biology to man
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A solid compound was found to contain 42.11% C, 51.46%O and 6.43% H by weight. The molecular weight of the compound was 341. What is the molecular formula of the compound?
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