The system that secretes hormones is the
A. immune system.
B. endocrine system.
C. lymphatic system.
D. cardiovascular system.
Answer: B
Health & Biomechanics
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White blood cells that directly destroy virus-infected and cancerous cells are ______ cells.
A. helper T B. suppressor T C. natural killer D. B
Health & Biomechanics
____________________ syndrome is a debilitating disorder characterized by profound fatigue that is not improved by bed rest
? Fill in the blank(s) with correct word
Health & Biomechanics
Hypertrophy is an increase the number of muscle fibers seen with weight training
Indicate whether the statement is true or false
Health & Biomechanics
Resistance exercises stress what aspect of the body?
A) Integumentary system B) Cardiovascular system C) Musculoskeletal system D) Lymphatic system
Health & Biomechanics