a) An HIV test measures the number of CD4 cells.

b) An AIDS test measures the number of antibodies in your blood.

c) Someone who has just been infected with HIV can still test negative for a
few months.

d) HIV-negative people have a CD4 cell count of 200.

e) Anti-retroviral drugs cure AIDS.

f) Antibodies are produced by your body to try fight the HIV virus.

g) If your HIV test is positive, you should have another one after about three months.

h) ARVs are cells in your body that fight HIV.

i) You can see if someone has HIV.

j) Blood from a blood bank is safe to use because it has been tested.

a) Air is breathed in and out of your ___________.

b) The __________ is the long tube-like organ that connects the stomach and the bowel.

c) The ___________ filter your blood, removing waste products and forming urine.

d) Your __________ controls urination.

e) The __________ pumps blood around your body.

f) Food is digested in your ____________.

g) The ____________ is an important but not well-known organ that develops antibodies.

h) If you take in substances such as alcohol, your ___________ will help to process these
out of your system.