The left ventricle of the heart receives oxygen-poor blood from the lungs pumps oxygen-rich blood to the body receives oxygen-rich blood from the rest of the body pumps oxygen-poor blood to the lungs

The is a thin membrane that transmits sound waves into the middle ear.

Jessica is a friend dislodge a piece of meat from her throat. she delivers five blows on her friend’s back with her fist and then gives him five abdominal thrusts. is jessica doing the procedure correctly? 1 no, she should use the heel of her hand for the blows. 2 no, she should use the side of her hand for the blows. 3 no, she should use her elbows to deliver the blows. 4 no, she should use a tennis ball to deliver the blows.

Summarize four pregnancy-prevention methods. discuss the benefits effectiveness and risks of each