I: | Neural signals through sympathetic nerves |
II: | Neural signals through parasympathetic nerves |
III: | Adrenal medullary hormones |
1. | Only I and II |
2. | Only I and III |
3. | Only II and III |
4. | I, II and III |
The activities of the human heart can be regulated through the autonomic nervous system by a special neural center located in:
1. | Medulla oblongata | 2. | Hypothalamus |
3. | Mid brain | 4. | Cerebrum |
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