According to self-determination theory, people need to feel ____.

Which of the following begins during the embryonic stage of the prenatal period?

A spike in ____ triggers ovulation in females.

Normal heart sounds are caused by what event in the heart?

The left ventricular wall of the heart is thicker than the right ventricular wall because the left ventricle _____.

During speech acquisition, consonants are typically acquired before vowels.

Children develop hypotheses about the rules of language and use these hypotheses to produce more complex language from:

The foramen ovale and the ductus venosus are structures in the ______.

The ____ is known as the heart’s pacemaker.

In pulmonary circulation, blood flows from the _____ of the heart to the lungs.