× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
Groanier Groanier
wrote...
Go to Answer
Posts: 498
Rep: 0 0
6 years ago
Water flowing over fish gills exchanges gases with
  blood flowing in the opposite direction inside gill
  capillaries. This is called__________.

Question 2

Invertebrates on land use __________ or
  __________ systems for gas exchange. Fill in the blank(s) with the appropriate word(s).
 
Read 48 times
1 Reply
Replies
Answer verified by a subject expert
leah.kahler3leah.kahler3
wrote...
#1
Posts: 316
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Groanier Author
wrote...

6 years ago
This helped my grade so much Perfect
vernonb
wrote...

Yesterday
Smart ... Thanks!
Mkersey12
wrote...

2 hours ago
Brilliant ツ
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1291 People Browsing
 107 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 191
  
 144
  
 249
Your Opinion
Do you believe in global warming?
Votes: 370
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?