Answer:
The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.
Explanation:
Answer: In vitro fertilization.
Explanation:
In vitro fertilization (IVF) is a technology developed for assisted reproduction. IVF refers to the method of fertilization that extracts eggs and a sperm sample, to manually combine them in the laboratory, to produce a zygote that will be inserted in the uterus. IVF is a way to treat infertility caused by damaged fallopian tube, ovulation disorders, male infertility, among other situations.
I would say it's maybe a mesh because of stem cells and marrow.
d. all of the above
since a. b. and c. are all true d. has to be your answer