Why does this mousebutton1 script repeat itself?

So I'm making an axe script for a simulator alike game, and what's supposed to happen is that if you stand in front of a tree and press MB1 the Axe would play the classic "roblox sword animation" and destroy the tree. It works as expected, except for the fact that whenever the tree respawns I don't have to click for the same thing to happen again. Please help!

Script inside the axe:

local player = game.Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()

local Backpack = player.Backpack
local Tool = Backpack.DefaultAxe
local mouse = player:GetMouse()

local scan = script.Parent.Parent.scan

Tool.Equipped:Connect(function() 
mouse.Button1Down:Connect(function()
		
		
		
		
		local a = script.Parent.animation
		local MouseTarget = mouse.Target
		local anim = Instance.new("Animation")
		local humanoid = char:WaitForChild("Humanoid")
		anim.AnimationId = "rbxassetid://80395075"
		local animator = humanoid:FindFirstChildOfClass("Animator")
		local track = animator:LoadAnimation(anim)
		
		local part = "scanpart"
		scan.Touched:Connect(function(hit)
				if hit.Name == part then
				track:Play()
				hit.Parent:Destroy()
			    end
end) 
end)
end)

mouse.Button1Down:Connect(mouse)

I fixed it by using both Tool Activation and Touched but separating the two functions inside the same script.