Answer: A)rib
Actually, the axial skeleton supports the head, neck, back, and chest and thus forms the vertical axis of the body. It consists of the skull, vertebral column (including the sacrum and coccyx), and the thoracic cage, formed by the ribs and sternum. The appendicular skeleton is made up of all bones of the upper and lower limbs.
Explanation:
Contractibility: The ability to shorten and produce movement when stimulated.
Yes, the sample will still be a heterogeneous mixture.
A mixture contains two or more substances in any proportion.
Mixtures are divided into two main groups:
- Homogeneous mixtures: They are made up of constituents that are uniformly distributed through out the mixture.
This shows that a homogeneous mixture has only one single phase.
It is either in a solid or liquid or gaseous phase.
A typical example is air which contains a mixture of gases of the same phase.
- Heterogeneous mixtures:They are made up of different constituents that have different compositions
This means that a heterogeneous mixture can contain constituents of different or the same phase but in different quantity.
A typical example is a mixture of sand and grains. Both are of a solid phase but are combined together in different quantity even when the size of the grain is the same with the sand.
Therefore, the sample will still be a heterogeneous mixture.
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“C” is the correct answer