11.25: Components of Blood Difficulty Level: At Grade Created by: CK-12 CK-12 Life Science Concepts For Middle School Human Biology % Progress Practice Progress % Practice Now Read Practice Resources Details Loading... Vocabulary Language: English ▼ English hemoglobin hemoglobinProtein in red blood cells that binds oxygen. pathogen pathogenLiving thing or virus that causes disease. plasma plasmaFluid part of blood that contains many dissolved substances. platelet plateletCell fragment in blood that helps blood clot. red blood cell red blood cellType of cell in blood that carries oxygen. white blood cell white blood cellType of cell in blood that defends the body against infection. Image Attributions Description Covers the components of blood. Learning Objectives None Difficulty Level: At Grade Authors: Jessica Harwood Douglas Wilkin, Ph.D. Contributors: Doris Kraus, Ph.D. Niamh Gray-Wilson Jean Brainard, Ph.D. Sarah Johnson Jane Willan Corliss Karasov Editors: Douglas Wilkin, Ph.D. Tags: plasma platelets red blood cells (3 more) SCI.BIO.931.4.L.1 SCI.LSC.931.4.L.1 white blood cells Subjects: science Life Science Concept Nodes: SCI.LSC.931.4 (Components of Blood) Grades: 7 , 8 Date Created: Nov 29, 2012 Last Modified: Mar 06, 2015 Vocabulary None You can only attach files to Modality which belong to you If you would like to associate files with this Modality, please make a copy first.