Respawn Player after Health 0

Hi,
I have a problem. I’m new in Unity and want my Player to respawn at the start after his health is 0 but i dont realy know how to do this. I hope u can help me.

My Script:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;

public class Player : MonoBehaviour
{
public int maxHealth = 100;
public int currentHealth;
public HealthBar healthBar;
public int Respawn;

private void Start()
{
    currentHealth = maxHealth;
    healthBar.SetMaxHealth(maxHealth);
}

private void OnTriggerEnter2D(Collider2D collision)
{

    if (collision.gameObject.CompareTag("Spike"))
    {
        TakeDamage(20);
    }
}

void TakeDamage(int damage)
{
    currentHealth -= damage;

    healthBar.SetHealth(currentHealth);
}

}

and my Script for the HealthBar:

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class HealthBar : MonoBehaviour
{
public Slider slider;
public Gradient gradient;
public Image fill;

public int fillAmount { get; internal set; }

public void SetMaxHealth(int health)
{
    slider.maxValue = health;
    slider.value = health;

    fill.color = gradient.Evaluate(1f);
}

public void SetHealth(int health)
{
    slider.value = health;

    fill.color = gradient.Evaluate(slider.normalizedValue);
}

}

void TakeDamage(int damage)
{
currentHealth -= damage;
healthBar.SetHealth(currentHealth);
if(currentHealth <= 0)
{
Respawn();
}
}

 void Respawn()
 {
     // reload scene
     // or other respawn mechanic
 }