★ The Musculoskeletal System Quiz
______ and ______ work together to allow muscles to contract.
A. ATP, Calcium
B. smooth muscle, cardiac muscle
C. Electrolytes, Phosphorous
D. hemoglobin, plasma
Select your answer:
Topics:
Human Body and Pathogens Visual Impairment Living Organisms Dentistry STNA (State Tested Nursing Assistant) Obstructive Lung Disease Uses of Radioactive Radiation History of Healthcare Bacteriology Pathology Excretion in Humans Circulatory System Virus, Bacteria, Immunity Asexual/Sexual Reproduction VesselsOther quiz:
Nervous System › ViewFight or flight
A. Parasympathetic
B. Sympathetic
Biology Assessment › View
If cells of a multicellular organism have the same genes, how can there be many different cell types in a body?
A. Some genes but not others are expressed in each cell type.
B. Cells lose some genes as development occurs.
C. Genes do not determine the structure of a cell.
D. Cells must practice division of labour in order to survive.