Teenage girls are especially vernerable to STIs because of there lowere level of protective antibodies.
This is questioning. They don’t know if they are sure of there decision
Answer:
B - Proteins
Explanation:
Excluding water and fat, the human body is made up almost entirely of protein. Protein is the main component of muscles, bones, organs, skin, and nails.
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OK so basically the best thing Karen can do is to keep her diet balanced and exercise regularly to keep an appropriate bmi.
Answer:
Explanation:
When the body senses foreign substances (called antigens), the immune system works to recognize the antigens and get rid of them. B lymphocytes are triggered to make antibodies (also called immunoglobulins). These proteins lock onto specific antigens.
