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aleksandrvk [35]
3 years ago
15

How many regions does the spine have and what are them ?s

Physics
1 answer:
Viktor [21]3 years ago
4 0

the spine is divided into four main regions: cervical, thoracic, lumbar and sacral.

Have an amazing day! <3

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The wheel on an upside-down bicycle moves through 17.3 rad in 5.41 s. What is the wheel’s angular acceleration if its initial an
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Answer:

0.406 rad/s2

Explanation:

We can use the following equation of motion to calculate the angular acceleration α in term of initial angular speed ω = 2.1 rad/s, time t = 5.41 and angles covered θ = 17.3 rad

\theta = \omega_0 t + \alpha t^2/2

17.3 = 2.1*5.41 + \alpha * 5.41^2/2

17.3 = 11.361 + 14.63 \alpha

\alpha = \frac{17.3 - 11.361}{14.63} = 0.406 rad/s^2

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Digestive system: consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

Endocrine system: a chemical messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs.

Eukaryotes: organisms whose cells have a nucleus enclosed within a nuclear envelope.

Excretory system: an organism's body that performs the function of excretion, the bodily process of discharging wastes.

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Nervous system: the network of nerve cells and fibers which transmits nerve impulses between parts of the body.

Nucleus: a membrane-bound organelle that contains DNA of eukaryotic organisms. As such, it serves to maintain the integrity of the cell by facilitating transcription and replication processes.

Organ: a group of tissues in a living organism that have been adapted to perform a specific function.

Organism: an individual animal, plant, or single-celled life form.

Organ system: a group of organs that work together as a biological system to perform one or more functions

Prokaryotes: a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles.

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Smooth ER: is a membranous organelle found in most eukaryotic cells

Tissue: a group of cells, in close proximity, organized to perform one or more specific functions.

Vacuole: a membrane-bound organelle.
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