Select your answer:
Topics:
Digestive System and Nutrition Histology - Tissues Infant Nutrition Eye or Nose Injuries The Teeth Type 1 Diabetes Inheritance Living Organisms PHE Healthy Lifestyle Nervous System: Diseases/Problems/Illnesses Terms for The Skeletal System Life Processes Cells, Tissues and Organs Advanced Stretching SM2 Blood GroupsOther quiz:
Digestive System › Viewhematemesis
A. Vomiting blood (from the digestive tract).
B. Dilation of bile vessel.
C. Spitting up blood (from the respiratory tract).
Cell Theory and Cellular Structure › View
What is the main difference between plant and animal cells?
A. Animal cells have a cell wall, while plant cells do not.
B. Plant cells have chloroplasts, while animal cells do not.
C. Animal cells contain mitochondria, while plant cells do not.
D. Plant cells have a nucleus, while animal cells do not.