Answer:
An antibody is a blood protein in response to and counteracting a specific antigen. Antibodies combine chemically with substances that the body recognises as alien, such as bacteria, virsues and foreign substances in the blood.
- An antigen is a large moleule on the outside of a cell
- All living cells have antigens on the surface of their plasma membrane- These identify cells as"self' within the immune system
- Cells from the same individual have the same antigens while cells from different indivudial have different antigens
- A/B/O blood groups are related to antigens
Explanation:
I think the answer is d. breast.
A friend should have their own opinion and not just say whatever to please you so A is crossed out. C is crossed out because a good friend should display honesty whenever they have something to say wether it is good or bad so that way you can trust them. D is also crossed out because a friend should be reliable all the time wether they are angry with you or not. So that leaves option B. Option B is correct because a friend should care about your feelings and not just say mean things and harm you emotionally. So that means the correct answer is
B) Empathizes by showing care and sensitivity to your feelings.
Include all costs associated with carrying and maintaining inventories. They include costs such as obsolescence, deterioration, storage, inventory taxes, and insurance. ... Also called ordering costs. Include costs of placing order, receiving, pricing, and placing goods in stock; and processing payment.
Hope this helped.