★ Biology Quiz
Cell walls are made of cellulose.
A. Plant cells
B. Animal cells
C. Fungal cells
D. Bacterial cells
Select your answer:
Topics:
Defining Health and Wellness Immunity & Cancer Bones Renal & Neural Nucleic Acids Physical Education Musculoskeletal System Responses to Exercises Movement Hematology in Veterinary Medicine Embryology Weight Management Excretion in Humans DNA and Polypeptide Synthesis Human Anatomy and Physiology - Types of Tissues Kidney - Loop of Henl�Other quiz:
Circulation and Excretion › ViewWhat organism has blood that flows directly form the respiratory organs to the body tissues without returning to the heart first?
A. amphibians
B. fish
C. humans
Body System › View
What function do the endocrine system and nervous system have in common?
A. Both relay messages to cells throughout the body.
B. Both produce electrical signals that are carried by neurons
C. Both produce hormones which are chemical messengers
D. both remove wastes and toxins from the body