The hemoglobin that is about 65% saturated with o2 in a healthy resting person Systemic veins & pulmonary arteries.
<h3>Define Hemoglobin?</h3>
Hemoglobin is a protein in red blood cells that takes oxygen to body's organs and tissues and elates carbon dioxide from organs and tissues back to your lungs.
Thus, Systemic veins & pulmonary arteries are correct.
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Answer:The world population increased from 1 billion in 1800 to 7.7 billion today. The world population growth rate declined from 2.2% per year 50 years ago to 1.05% per year. Other relevant research: ... We show how the world population grew over the last several thousand years and we explain what has been driving this change.
Explanation: BRAINLY Sometimes don't give u the right answer....SO TRUST ME ON THIS ONE <3 u should get a A++++
Because our brains are the most developed out of all of the other species on this planet. Also, we require the most maintenance to survive. We can’t live in the ocean, such as a fish, shark, dolphin, etc. but we also can’t live in the forest such as bears, deer, coyotes, etc. we need to live in a stable environment when we will have enough food to survive as well to live in certain temperatures that are best suited for our kind. Hopefully that helped a little bit
I’d say it’s the first one and it’s not even the first one probably than the last one
No the answer is not A the answer it C. the bacterial cells to maintain homeostatic
