Life style, environment toxins, and Gene mutations
Answer:
reproductive and endocrine
Explanation:
endocrine because ovaries secrete hormones directly into the blood.
reproductive because they produce egg cells for fertilization
Ultraviolet (UV) radiation from the sun is the number one cause of skin cancer, but UV light from tanning beds is just as harmful. Exposure to sunlight during the winter months puts you at the same risk as exposure during the summertime. Cumulative sun exposure causes mainly basal cell and squamous cell skin cancer, while episodes of severe blistering sunburns, usually before age 18, can cause melanoma later in life. Other less common causes are repeated X-ray exposure, scars from burns or disease, and occupational exposure to certain chemicals.
Answer:
Food
Explanation:
Malnutrition is when your body is lacking the necessary nutrients.
I'm pretty sure it is physical and mental development
