________ is defined as poor growth of a baby in the womb during pregnancy. In specific, the developing baby weighs less than 90% than other babies at the same gestational age

Tight muscle(s) can:

a. influence breathing b. can relax by contracting for ninety seconds, then releasing c. can be detected by body scanning d. all of the above

Deoxygenated blood is carried from the heart to the lungs via which of the following?

A) aorta B) pulmonary artery C) pulmonary veins D) superior vena cava