How many muscles do humans approximately have?
A. 450 muscles
B. 1000 muscles
C. 630 muscles
D. 800 muscles
Select your answer:
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Perioperative Nursing Care Cells & Body Systems Foodborne Illness Axial & Appendicular Skeleton Macromolecules and Enzymes Inheritance Aerobic- Cardio Respiratory Endurance Tib/Fib, Knee and Femur ESR (RBC sed rate) Hematology Lab Values Skin Structure Molecular Biology Macromolecules Geriatrics Integumentary System Medical TerminologyOther quiz:
Living Organisms › ViewWhich best explains why muscle is considered a tissue?
A. It is connected to bones.
B. It can move voluntarily or involuntarily.
C. It interacts with several organ systems.
D. It is a group of cells working together.
Integumentary System › View
The substance produced by the skin that helps to prevent skin cancer by blocking UV rays from damaging DNA is
A. sebum
B. adipose
C. keratin
D. melanin