Which statement about prenatal development of the heart is true?
A) By 6 weeks, the heart has developed into its basic adult structure.
B) At 12 weeks, the heart begins to beat and circulate blood.
C) By 4 weeks, the heart is beating and circulating blood.
D) At 16 weeks, the heart develops into its basic adult structure.
Correct Answer:
Verified
Q30: Cephalocaudal development refers to the tendency for
Q39: Stem cells:
A) have varying genetic makeups.
B) contain
Q45: Which statement about the rate of prenatal
Q45: The _ protects the fetus from bumps
Q46: The three layers of the inner cell
Q47: Which statement about the levels of genetic
Q57: The placental membrane allows _ to pass
Q143: Apoptosis refers to
A) programmed cell death.
B) cell
Q149: After the implantation of the zygote, as
Q167: Identical twins most often originate when
A) two
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents