If a student asks a teacher a question about sex, the teacher should discuss it with him/her?  Agree            Disagree

Why? 

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

Ineed an essay 1200words about obezity ,introduction,main causes,conclusion

Which of the following is not considered a lymph node function? to house immune cells to transport lymph to filter blood to fight infection