Top Posters
Since Sunday
s
3
3
d
3
s
2
c
2
G
2
y
2
t
2
2
k
2
j
2
e
2
Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
New Topic  
elmajn elmajn
wrote...
Go to Answer
Posts: 289
Rep: 2 0
5 years ago
Blood cells and plasma begin to develop
1. at 3 weeks post-fertilization outside the embryo from hemangioblasts.
2. at 5 weeks post-fertilization inside the embryo in the liver.
3. at 12 weeks post-fertilization in the spleen, red bone marrow, and thymus.

a) 1 only
b) 2 only
c) 3 only
d) 1 and 2 are correct.
e) 1, 2, and 3 are correct.
Textbook 
Principles of Anatomy and Physiology

Principles of Anatomy and Physiology


Edition: 14th
Authors:
Read 54 times
1 Reply
Replies
Answer verified by a subject expert
JordieeyJordieey
wrote...
#1
Posts: 165
Rep: 125 0
5 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

elmajn Author
wrote...

5 years ago
Helped a lot
Brownr40
wrote...

Yesterday
Thanks
jasonbourne
wrote...

2 hours ago
This site is awesome
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1013 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 852
  
 356
  
 856
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 300
Previous poll results: Where do you get your textbooks?