The path a signal takes to cross from one neuron to another, across a myoneural junction can be described in the following way: A myoneural junction is also known as a neuromuscular junction. It is where the nerve and muscle join. A synapse forms between the motor neuron and the muscle fiber. This junction is where the motor neuron is able to send a signal to the muscle fiber, causing the muscle to contract. In practice, the brain sends a signal to the muscle fiber to contract. This signal moves down the neuron and gets to the chemical junction between the neuron and the muscle. The signal jumps over the synapse and hits the muscle. The signal then causes the muscle to move.
Melatonin is secreted principally by the pineal gland and mainly at nighttime. The primary physiological function is to convey information of the daily cycle of light and darkness to the body.
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Answer:
a. True
Explanation:
Exercising regularly is an important part of a healthy lifestyle. People who lead an active life are less likely to get sick and more likely to live a longer life. Exercising allows you to have a better physical condition and also improves your mental health and general feeling of well-being.
It is important that physical activity is part of the lives of children, adults and the elderly. Exercise doesn't have to be energetic: you can find ways to stay active that fit your daily routine, such as walking. If you never exercised or haven't done it in a while, it's easy to start. Physical activity is essential to maintain a healthy body weight and is even beneficial during pregnancy. However, be sure to take steps to keep yourself free of injuries and remember that nutrition and hydration also play an important role. Eating the right nutrients provides the fuel you need to exercise and drink fluids helps prevent dehydration.
Staying physically active can help prevent serious diseases. The following describes some benefits of exercising for health.
<span>False. Muscular strength cannot
be achieved without muscular endurance. Both are health-related fitness
components that depend on each other. When muscles are able to endure bouts of physical
exertion, strength is developed; and in the same way that strength cannot be
fully achieved if endurance is poor. All athletes must include in their
training the development of both to last in their specific events or
competitions. It should be a gradual build-up of activities with strength
leaning to the other end of the training program. </span>