Answer:
NON SPECIFIC DEFENSES: Skin and Mucous membranes, antimicrobial chemicals, natural killer cells, phagocytosis, inflammation and fever.
Explanation:
...
True
If a doctor is not notified, the chronic injury/condition could worsen
Answer:
Cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition
B. Mouthguards are needed to play hockey