Explanation: Ok so,
1Sexual oreintation is made up of components such as culture, ethnicity and gender. 2. adds a level of frustration of another persons awareness it think. 3. A major issue in schools.
I hope you can find this information helpful, I dont think you were specific enough nor did you attach any file following up your question, this is what I can do unless you provide a picture that explains the questions more clearly.
Cheers!
Answer:
1) Defense against infections that can occur in the human body.Transport oxygen away from the lungs and around the body.
2) Distributes nutrients from food in the body. Transport nutrients around body.
3) It helps to regulate the body temperature of the human. Keep body at a normal temperature.
Overdose is a common suicide attempt method and the treatment would be to stomach-pump which a doctor isn't needed for and the technicians are trained to do. <span />