Page 352 - Microsoft Word - LessonPlan-Overview.doc

Unit 19: Biology Part 2 Page 7 of 137

Bacteria – Single-celled organisms without a nucleus

Ball and Socket joints- Joint structure in which the ball-shaped surface of
one bone fits into the cuplike depression in another bone; examples include
the shoulder and hip joints.

Body odor- Smell that is produced by the breakdown of sweat by bacteria
that live on the skin.

body system – group of organs and tissues working together towards a
common purpose

Bone marrow- Soft connective tissue found inside many bones; site of blood

cell formation.

Brain – Complex organ that is the control center of the body

Brain Stem – Part of the brain that controls basic body functions such as
breathing, heartbeat, and digestion

bronchi – tube leading from the trachea into the lungs

bronchiole – smaller tubes the bronchi branch into

bronchitis – disease caused by an inflammation of the bronchi

Capillary – Small blood vessel connecting arteries and veins where oxygen
transfer takes place

Capillary Bed – Network of capillaries providing oxygen and nutrients to
organs

Carbohydrates - Nutrients that include sugars, starches, and fiber; give your
body energy; organic compound.

Cardiac muscle- An involuntary and specialized kind of muscle found only in

the heart.

© 2011 Supercharged Science www.ScienceLearningSpace.com

754