★ Blood Quiz
Why is the Red Blood Cells color red?
A. because of hemoglobin
B. because of protein
C. because of blood
D. because of erythrocytes
Select your answer:
Topics:
Cells & Body Systems Cellular Transport and Metabolism Blood/Lymphatic/Immune Health Issues Related to Digesting System and Eating Habits Differentiation and Division of Human Cells Fainting and Nosebleed The Musculoskeletal System Heart Vocab and Blood Flow Pathway Human Muscle Blood Cells BTEC Biological Approach Revise Tutor Oral Biology Cell Theory and Microbiology Enzymes and Their Functions Joints and Range of MotionOther quiz:
Characteristics of Life › ViewAn amoeba is a unicellular organism. Which characteristic of life is this?
A. All living things use energy
B. All living things contain cells
C. All living things respond to their environment
D. All living things grow
Bacteriology › View
optimum PH of for bacterial growth is which of the following ?
A. 4.0
B. 5.0
C. 8.0-9.0
D. 6.5-7.0