T-cells
lymphocytes
b-cells
The answer is D. All of the above
The following statement best defines pregnancy: The period of about 40 weeks when a developing embryo or fetus is in the uterus. Correct answer: C It is the state of carrying a developing embryo or fetus within the female body and this state lasts about 9 months.
<span>John Hunter was a Scottish surgeon, one of the most distinguished scientists and surgeons of his day</span>