The diagram below illustrates the gas exchange that occurs in the alveoli.
Blood In
Alveoli
co. Out o In
Blood Out
Image by HelixB4
Where is the oxygen-rich blood flowing to?
the lungs
the upper body
the lower body
the heart

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions