
It is the body’s first line of defense
A. External Barricades
B. Internal Defenses
C. Antimicrobrial Proteins
D. Attack Cells
Select your answer:

Topics:
Muscularskeletal System Selective Breeding PHYSIOLOGY OF KIDNEY Eyes Circulatory and Nervous System All About Bacteria EM Spectrum Skin Appendages DNA and Polypeptide Synthesis Homeostasis - Vision Correction Cell Cycle; Cancer The Cardiovascular System: Blood Vessels and Hemodynamics Types of Reproduction BMI, Body Composition and Body Types Skel, Musc, Nerv, Circ, RespOther quiz:
Physical › ViewWhen playing Football which part of your body should not touch the ball ?
A. Head
B. Legs
C. Toes
D. Hands
Cell Structure and Functions › View
One difference between cardiac muscle fibers and skeletal muscle fibers is that cardiac muscle fibers:
A. are not striated, while skeletal muscle fibers are
B. have several nuclei, while skeletal muscle fibers do not
C. are under voluntary control, while skeletal muscle fibers are not
D. branch and form complex networks, while skeletal muscle fibers do not