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mild - n. not harsh or severe
invincible - adj. impossible to defeat or overcome
transmission - n. the act or process by which something is spread or passed from one person or thing to another
role - n. a part that someone or something has in a particular activity or situation
diabetes - n. a serious disease in which the body cannot properly control the amount of sugar in your blood because it does not have enough insulin
chronic - adj. continuing or occurring again and again for a long time
immune system - n. the system that protects your body from diseases and infections
asthma - n. a physical condition that makes it difficult for someone to breathe
hormones - n. natural substances produced in the body which influence the way the body grows or develops
ovary - n. one of usually two organs in women and female animals that produce eggs and female hormones
