Unit 4.2 Vocab Crossword

An organ system that circulates blood and other important materials throughout the body. It also carries waste away.
The smallest vessel in the circulatory system; the area where the nutrient and gas exchange occurs between blood and body cells.
A saclike structure that accumulates urine until it can be released.
The process of breaking down food into a form that the body is capable of using.
The opening at the end of the digestive system, where wastes are secreted.
A process that breaks down large food molecules into smaller molecules that cells can take in.
A large domed muscle that separates the chest and abdomen; plays a major role in breathing.
A vessel in the circulatory system that carries blood away from the heart.
An artery, vein, or capillary that carries blood towards and away from the heart and body tissues.
A female sex cell.
An organ the pumps blood throughout the body.
An organ in the digestion that produces bile and enzymes, breaks down toxins and wastes.
Elongated tissues that allow contractions or relaxations to happen.
A tube that carries food from the mouth to the stomach.
A system that covers the human body, includes a basic organ called the skin.
A chemical released by a gland; controls a specific body function.
A sac that stores bile.
A protein in the body that helps control a chemical reaction, such as digestion
A pair of organs in the respiratory system, where carbon dioxide and oxygen are exchanged.
A part of the digestive what the water is absorbed from solid waste.
An organ system that breaks down food into substances the body can use, and absorbs these substances.
An organ system that removes waste from the body.
The process of breaking food into smaller pieces by chewing and mashing.
A system of organs that controls body activities through chemical messengers (hormones).
Nerve cell that sends messages through the nervous system.
A vessel that carries blood towards the heart.