The chamber of the heart that pumps deoxygenated blood to the lungs is called the:

The respiratory rate is determined by counting the number of complete respirations (one inspiration plus one expiration) in ___ seconds and multiplying by ___

A) 15; 4 B) 10; 6 C) 6; 10 D) 30; 2

Tumor cells that are undergoing malignant changes but do NOT extend beyond the point of origin are called __________ ITALIC_in situ_ITALIC

Fill in the blank with correct word.