The rapid depolarization phase of the action potentials of myocardial contractile cells is due to Na⁺ ion.
The depolarization is caused when Na⁺ ions rapidly enters into neuron through open sodium channels. Sodium ions plays important role in various physiological process such as regulating blood volume, ph regulation, maintaining blood pressure, energy metabolism,osmotic equilibrium, excitation-contraction coupling, maintenance of cellular homeostasis, development and growth.
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Answer:
The correct answer will be option-true.
Explanation:
Biodiversity hotspots are the regions which can be identified by a high level of endemism and high level of habitat loss. The concept of the hotspot was given by the British ecologist Norman Myers in 1988 when he observed such areas.
Since a region to be established as a biological hotspot fulfils two criteria:
1. Area should have at least 1500 unique vascular plant species found nowhere on Earth
2. Should have lost at least 70% of its native vegetation
Therefore, a scientist identity a hotspot by counting a number of endemic species and option-true is the correct answer.
The male produces the what ever it’s called
The answer for this question would be choice D) Tertiary Consumer or the fourth option.
