Blood cells begin to form in the __________ __________ at weeks of development.
Correct Answer:
Verified
Q21: Smooth muscle is consciously controlled.
Q22: The foramen ovale closes during the third
Q24: The foramen ovale is an opening between
Q25: _ _appear in the third prenatal week
Q27: Name two hormones produced by the placenta.
Q30: Name three adult structures that are derived
Q30: The umbilical system carries oxygenated blood.
Q31: _bone formation occurs directly through a tight
Q32: The cardiovascular system originates from chondroblasts.
Q34: The embryonic skeleton first forms as bone.
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