Answer:
C Increase bone strength
Explanation:
Your body adapts to regular moderate exercise by building up more bones making them denser and stronger.
Answer:Scrub your hands for at least 20 seconds. Need a timer? Hum the “Happy Birthday” song from beginning to end twice. Rinse your hands well under clean, running water.
Explanation:
Answer:
C. Sex chromosomes
Explanation:
Sex chromosome is a type of chromosome that is responsible for the characteristics of an individual such as ️eye color, Hair type and ️child eye color. The sex of an individual i.e. male or female is also determined by sex chromosomes. Every individual has two pairs of chromosomes, one from father and one from mother. These pairs of genes determine certain physical features or traits in an individual.
White blood cells help to fight infection
The blood carries these cells