During the adult years, can adversely affect the immune system. undernutrition overnutrition excessive iron intake obesity all of these choices are correct.

The answer to the blank space in the question is (D) all of these choices are correct.

Undernutrition will impact the immune system adversely since the body cannot fight off the infections due to the lack of nutrients. While, over nutrition and excessive iron intake would cause an imbalance to the body which would also influence the immune system negatively. Thus, all these options would be harmful to the immune system.

the answer is 95 degrees

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )