belaltheog belaltheog
  • 16-06-2020
  • Biology
contestada

Please help with this question

Please help with this question class=

Respuesta :

justinabettyo justinabettyo
  • 16-06-2020

Answer:

Explanation:

birds need  large efficient hearts and air sacs connected to lungs  to make use of oxygen to help them fly

Answer Link

Otras preguntas

What is Lincoln’s purpose in writing this document?
Which was a cultural issue debated widely during the 1990s?
Once inside the body , hiv's surface glycoproteins can mutate to recognize a new type of cell receptor. how does this mutation aid the virus in its life cyle
EXPLAIN WHAT CHEMILUMINESCENCE IS AND HOW IT WORKS USING THE CROSS CUTTING CONCEPT OF CAUSE AND EFFECTPLZ I NEED THIS ASAP
What is the term for the animal-like organisms made up of a single cell?
I am going to give a science question I dont know the answer but I will typpe it and there will be a blank fill in that blank. an electric circuit contains bla
What is the meaning of the Imagery of the rain in the Catcher in the Rye
The ancestors of birds emerged from the early mammals a. True b. False
_____ have contributed most of what we know about personality today and continues to be an important lens through which to view personality.
The table shows the results of four surveys that randomly sampled 50 girls at a community center about their favorite sport at the center. Swimming Basket