'Lo' in the Bible

For, lo, as soon as the voice of thy salutation sounded in mine ears, the babe leaped in my womb for joy.

And, lo, the angel of the Lord came upon them, and the glory of the Lord shone round about them: and they were sore afraid.

And, lo, a spirit taketh him, and he suddenly crieth out; and it teareth him that he foameth again, and bruising him hardly departeth from him.

And ought not this woman, being a daughter of Abraham, whom Satan hath bound, lo, these eighteen years, be loosed from this bond on the sabbath day?

And he answering said to his father, Lo, these many years do I serve thee, neither transgressed I at any time thy commandment: and yet thou never gavest me a kid, that I might make merry with my friends:

Neither shall they say, Lo here! or, lo there! for, behold, the kingdom of God is within you.

Then Peter said, Lo, we have left all, and followed thee.

No, nor yet Herod: for I sent you to him; and, lo, nothing worthy of death is done unto him.