Anatomy and Physiology: Chemical Level and Introduction Flashcards

Fill-in-the-blank practice flashcards covering foundational chemistry, macromolecule structure, anatomical terminology, body cavities, and homeostatic regulation.

In the human body, Oxygen accounts for __________% of total body weight.

65

The functional group $\text{-NH}_2$ is known as the __________ group.

Amino

Molecules that possess the same molecular formula but a different arrangement of atoms are called __________.

Isomers

Steroids are lipid molecules characterized by a distinctive __________ carbon structure.

four-ring

The two nitrogenous bases categorized as purines in nucleic acids are adenine and __________.

Guanine

The form of gross anatomy that focuses on the study of specific body areas is called __________ anatomy.

Regional

The study of tissues in microscopic anatomy is known as __________.

Histology

The ability of a material to absorb or block X-rays is defined as __________.

Radiopacity

In true body cavities, the membrane that directly covers the surface of internal organs is the __________ membrane.

visceral

Homeostatic regulation that results from the activities of the nervous or endocrine systems is termed __________ regulation.

Extrinsic