Which best describes the uterus
a. it is a musclar organ where a developing offsprings grows
b. it is the exertal part of a female genital organs
c. it is the birth canal of the female reproductive system
d. it is the organ in the female that carries the egg to the uterus

The correct answer is option A, it is a musclar organ where a developing offsprings grows

Explanation:

The uterus is  the female sex organ which is just like a muscular organ that lies between the bladder and rectum and is situated in the female pelvis. The egg produced by ovary after fertilization reaches the uterus for implantation. After the implantation to gestation period, the new developed offspring stays in the uterus (approximately 9 months) and then is given birth through the vagina (known as birth canal)

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

the answer to your question is tooth decay.