Leviticus 11:8

Their flesh may not be used for food, and their dead bodies may not even be touched; they are unclean to you.

Isaiah 52:11

Away! away! go out from there, touching no unclean thing; go out from among her; be clean, you who take up the vessels of the Lord.

Hebrews 9:10

Because they are only rules of the flesh, of meats and drinks and washings, which have their place till the time comes when things will be put right.

Leviticus 5:2

If anyone becomes unclean through touching unconsciously some unclean thing, such as the dead body of an unclean beast or of unclean cattle or of any unclean animal which goes flat on the earth, he will be responsible:

Hosea 9:3

They will have no resting-place in the Lord's land, but Ephraim will go back to Egypt, and they will take unclean food in Assyria.

Matthew 15:11

Not that which goes into the mouth makes a man unclean, but that which comes out of the mouth.

Matthew 15:20

These are the things which make a man unclean; but to take food with unwashed hands does not make a man unclean.

Mark 7:2

And had seen that some of his disciples took their bread with unclean, that is, unwashed, hands.

Mark 7:15

There is nothing outside the man which, going into him, is able to make him unclean: but the things which come out of the man are those which make the man unclean.

Mark 7:18

And he said to them, Have even you so little wisdom? Do you not see that whatever goes into a man from outside is not able to make him unclean,

Acts 10:10-15

And he was in need of food: but while they were getting it ready, a deep sleep came on him;

Acts 10:28

And he said to them, You yourselves have knowledge that it is against the law for a man who is a Jew to be in the company of one who is of another nation; but God has made it clear to me that no man may be named common or unclean:

Acts 15:29

To keep from things offered to false gods, and from blood, and from things put to death in ways which are against the law, and from the evil desires of the body; if you keep yourselves from these, you will do well. May you be happy.

Romans 14:14-17

I am conscious of this, and am certain in the Lord Jesus, that nothing is unclean in itself; but for the man in whose opinion it is unclean, for him it is unclean.

Romans 14:21

It is better not to take meat or wine or to do anything which might be a cause of trouble to your brother.

1 Corinthians 8:8

But God's approval of us is not based on the food we take: if we do not take it we are no worse for it; and if we take it we are no better.

2 Corinthians 6:17

For which cause, Come out from among them, and be separate, says the Lord, and let no unclean thing come near you; and I will take you for myself,

Ephesians 5:7

Have no part with such men;

Ephesians 5:11

And have no company with the works of the dark, which give no fruit, but make their true quality clear;

Colossians 2:16

For this reason let no man be your judge in any question of food or drink or feast days or new moons or Sabbaths:

Colossians 2:21-23

Which say there may be no touching, tasting, or taking in your hands,

Treasury of Scripture Knowledge

Summary

Of their flesh shall ye not eat, and their carcase shall ye not touch; they are unclean to you.

General references

Bible References

They are unclean

Leviticus 5:2
If anyone becomes unclean through touching unconsciously some unclean thing, such as the dead body of an unclean beast or of unclean cattle or of any unclean animal which goes flat on the earth, he will be responsible:
Isaiah 52:11
Away! away! go out from there, touching no unclean thing; go out from among her; be clean, you who take up the vessels of the Lord.
Hosea 9:3
They will have no resting-place in the Lord's land, but Ephraim will go back to Egypt, and they will take unclean food in Assyria.
Matthew 15:11
Not that which goes into the mouth makes a man unclean, but that which comes out of the mouth.
Mark 7:2
And had seen that some of his disciples took their bread with unclean, that is, unwashed, hands.
Acts 10:10
And he was in need of food: but while they were getting it ready, a deep sleep came on him;
Acts 15:29
To keep from things offered to false gods, and from blood, and from things put to death in ways which are against the law, and from the evil desires of the body; if you keep yourselves from these, you will do well. May you be happy.
Romans 14:14
I am conscious of this, and am certain in the Lord Jesus, that nothing is unclean in itself; but for the man in whose opinion it is unclean, for him it is unclean.
1 Corinthians 8:8
But God's approval of us is not based on the food we take: if we do not take it we are no worse for it; and if we take it we are no better.
2 Corinthians 6:17
For which cause, Come out from among them, and be separate, says the Lord, and let no unclean thing come near you; and I will take you for myself,
Ephesians 5:7
Have no part with such men;
Colossians 2:16
For this reason let no man be your judge in any question of food or drink or feast days or new moons or Sabbaths:
Hebrews 9:10
Because they are only rules of the flesh, of meats and drinks and washings, which have their place till the time comes when things will be put right.

General references

Leviticus 11:24
By these you will be made unclean; anyone touching their dead bodies will be unclean till evening:

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain