The primary center for regulating and coordinating the body's activities and functions is the:
A) heart.
B) spinal cord.
C) brain.
D) neuron.
Correct Answer:
Verified
Q13: The endocrine system uses chemical messengers called
Q14: The appendicular skeleton:
A)includes the skull.
B)functions to protect
Q15: How many systems does the human body
Q16: The body system that delivers oxygen to
Q17: Lymphocytes fight disease by producing:
A)leukocytes.
B)antibodies.
C)monocytes.
D)macrophages.
Q19: Arteries,veins,and capillaries are major types of:
A)blood vessels.
B)muscle
Q20: The digestive process begins in the:
A)mouth.
B)stomach.
C)small intestine.
D)large
Q21: Tuberculosis is a disease usually associated with
Q22: The term that refers to a muscle
Q23: The strongest,dense layer of bone is the:
A)periosteum.
B)compact
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