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:
Crocodiles are actually the closest living relatives to birds
Answer:
The fibularis longus
Explanation:
The fibularis longus starts at the top of the fibula and attaches to the first metatarsal bone of the foot.
It has two functions:
- Eversion of the ankle (turning the foot outwards)
- Plantarflexion (the movement like standing on tiptoe or depressing a gas pedal)
<span>Both somatic and germinal mutations are contributors of evolution. Somatic mutations occur within tissues of individuals that give the said individual differing traits and characteristics. Germinal mutations occur in reproductive cells that can be passed on to offspring, altering their traits and characteristics.</span>
