Answer:
C
Explanation:
Tolerance to a drug means that the body is getting less affected by it often by using it for prolonged periods.
Answer:
B
Explanation:
When the body is stressed the muscles get tensed up. It's like a reflex
Recommendations are for us date
i'm unsure of your statement, but i believe that the statement is false. A rake would add more physical activity, since you're using both leg muscles while walking, and arm muscles.
White blood cells help to fight infection
The blood carries these cells