During exercise, the blood returning to a person's heart contains hemoglobin that is about ______ saturated.
A) 3%
B) 22%
C) 35%
D) 75%
Correct Answer:
Verified
Q38: Which of these animals uses positive pressure
Q39: Tom is choking on a piece of
Q40: Which group of animals has one-way flow
Q41: What is the order of structures or
Q43: The axolotl, an aquatic amphibian, uses _
Q43: During exhalation,the diaphragm _.
A)contracts and moves down
B)relaxes
Q44: Protruding papulae on the surface of echinoderms
Q45: Which part of a hemoglobin molecule
Q46: Every winter, many individuals tragically die in
Q47: Air enters human lungs from the mouth
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