A fourth amendment from Rep. Jo Ann Emerson (R-Mo.) would prevent funds from being spent on IRS efforts to verify people have healthcare coverage, mandated under the law. Another amendment from Thursday night to end federal funding for Planned Parenthood is also expected to get a vote.

The debates on healthcare were tense at times, and in many ways revisited last year's healthcare debate. House Minority Leader Nancy Pelosi (D-Calif.) said House Republicans are driving the House into "irrelevance," an apparent recognition that the entire House bill is unlikely to go anywhere in the Senate.

Pelosi also charged Republicans with "standing up for the insurance companies" by trying to end funding for the law.

Several Republicans said the bill needs to be defunded, and one, Rep. Phil GingreyPhil GingreyBeating the drum on healthcare Former GOP chairman joins K Street Former Rep. Gingrey lands on K Street MORE (R-Ga.) said the bill might be the worst law ever passed by Congress. That drew a sharp rebuke from Rep. Sheila Jackson LeeSheila Jackson-LeeAnother Democrat takes a knee on House floor to support NFL protests Black lawmaker kneels on House floor in solidarity with athletes House Judiciary Dems want panel to review gun silencer bill MORE (D-Texas.).

"What about the slave laws?" she asked. "What about the fugitive slave laws? How dare anyone suggest this is the worst bill when we give opportunity to all Americans."