Multiple Choice
The heart, muscles, bones, and blood develop primarily from ____.
A) ectoderm
B) mesoderm
C) endoderm
D) the placenta
E) the yolk sac
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q31: What is the most effective contraceptive approach
Q32: The primitive streak is associated with which
Q33: Which substance regulates development by affecting cells
Q34: Menstrual flow begins in response to _.<br>A)rising
Q35: All cells in an embryo have the
Q37: Which is the last structure that a
Q38: What gland provides secretions that help raise
Q39: What is the thick fluid, rich in
Q40: During fertilization, _ egg and sperm combine
Q41: Which vitamin is especially important in preventing