Answer:
The neuromuscular junction is a connection between a neuron and a muscle fiber.
Explanation:
The neuromuscular junction is formed by the connection between the axon terminal of a neuron and a muscle fiber. This union forms a bridge between the terminal button of a neuron and the muscle fiber membrane, through it the terminals of the neuron are connected with the motor terminal plates, just where the nerve impulses are received. This allows the contraction of muscle fiber, with acetylcholine being the neurotransmitter of muscle stimulation.
Answer:
The red should indicate warm weather, while the blue should indicate cool weather.
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6.941 tells you the nucleon number (total number of protons and neutrons in the nucleus of an atom)
3 tells you the proton number( number of protons in the nucleus of an atom.)
When drawing this you must know the number of protons , electrons, and neutrons of that element. Well in this question, everything’s been given. No. of protons = 3
No. Of electrons = 3 *REMEMBER, NUMBER OF PROTONS AND ELECTRONS ARE EQUAL WHEN THE ELEMENT IS IN ITS ATOMIC FORM.
No. Of neutrons= 4 neutrons. When rounding 6.941, it is 7. Then simply subtract 7-3 to get 4.
Now time to draw this. First you must know the number of electron shells does lithium has. Since lithium is in period 2, it has 2 electron shells.
Then, you must know what is the valence electron of Li. It is 1, since it is a group I element/alkali metal.
Also remember the structure. Electron are surrounding the nucleus of the atom on electron shells while the nucleus is in the center of the atom. Nucleus contains the protons and neutrons. REMEMBER THE FIRST SHELL SHOULD CONTAIN ONLY 2 ELECTRONS WHILE THE SECOND SHELL WITH 8 ELECTRONS AND GO ON.
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Answer:
c. time to reach maximum tension
Explanation:
Muscle tension is defined as the contraction of muscles for an extended period of time. Physiological effects such as running and exercise of stress are the cause of muscle tension.
Skeletal muscle fibres into two types including slow-twitch (type I) and fast-twitch (type II).
- Muscle fibres of type I are more effective over long time periods. They are used mainly for postural maintenance (such as keeping the head upright), or mobility exercises (running).
- Type II muscle fibres use anaerobic breathing, and are stronger than Type I fibres for quick bursts of energy, even though they fatigue quicker.
So the muscle fibers divided on the basis of time to reach maximum tension while doing physiological activities.
Hence, the correct option is C.
Answer:
Su vesícula biliar es un órgano pequeño en forma de pera en el lado derecho de su abdomen, justo debajo de su hígado. La vesícula biliar contiene un líquido digestivo llamado bilis que se libera en el intestino delgado.
Enfermedades o afecciones causadas: colecistitis
Explanation:
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