I would say bicycling because jogging and jumping jacks can be bad on your knees because of the impact. Biking is pretty smooth though and wouldn't have much of an impact. Hope this helps :)
Axons are long nerve processes which carry nerve impulses from the Soma to other neurons, they vary in length but can become almost as long as half of the human body.
The soma (body) of the neuron contains the nucleus which acts as the cell's control centre, these contain many small neurofibrils which project from the nucleus into the dendrites.
Dendrites are short, thick processes which branch out of the soma in a tree like manor. They conduct nerve impulses to the soma.
The three categories of neurons:
Afferent (Sensory) Neurons have the dendrites connected to receptors such as the eyes, ears etc. These receptors change the information they receive into electrical impulses that are transmitted to other neurons. In sensory neurons the axons are connected to other neurons.
Efferent (Motor) Neurons have the dendrites connected to other neurons, the axons are connected to effectors. Effectors are either glands or a muscle cell that is the receiving end of the nerve impulse. The nerve, when excited will cause the effector to react (move, contract, or secrete etc).
Internuncial Neurons have both the dendrites and the axons are connected to other neurons. They are sometimes referred to as connector neurons.
Internuncial neurons are found throughout the body, but especially in the spinal cord and brain.
Properties and characteristics of Neurons:
Normally the electrical impulses (messages) travel through a neuron in only one direction.
The axon may be surrounded by a 'coat' of lipids (fats) and proteins known as the myelin sheath which acts as an insulator.
Neurons are specialist cells that have lost the ability to reproduce themselves. Once the soma of a neuron has died the entire neuron dies, and can never be replaced.
Repair of damaged neurons only occurs in myelinated neurons.
white matter are coloured by myelin, consisting of many neurons supported by neuroglia.
grey matter is soma and dendrites or bundles of unmyelinated axons and neuralgia.
Answer: Khafre Enthroned is a funerary statue of the Pharaoh Khafre, who reigned during the Fourth dynasty of ancient Egypt (c. 2570 BC). It is now located in the Egyptian Museum in Cairo. ... After death, the ka leaves the body into the afterlife, but still needs a place to rest: the statue.
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Answer: The correct answer to this question is C; <u>intoxication. </u>
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Explanation:
When a person is intoxicated they are both mentally and physically impaired. They will not be able to walk in a straight line, they may fall and stumble. They will not be able to walk long distances without issues. They lose their natural mental state and become impaired the more intoxicated they become. They may act of character and do things that will hurt someone or themselves. When a person is intoxicated, they need to get home and/or find someone to drive them to their home. If they are at home, they need to stop drinking because it could lead to alcohol poisoning.
