Answer:
The correct answer is a. greater than
Explanation:
The partial pressure of oxygen in alveolus is greater than partial pressure of oxygen in deoxygenated blood in a pulmonary capillary and this concentration difference is important for the movement of air(oxygen) from the alveolus to the pulmonary capillary because gases move from higher concentration to lower concentration.
By this process the oxygenated blood reaches to the heart from lungs and heart then pump this oxygenated blood to other body tissues.The partial pressure of oxygen in alveolus is 104 mmHg and in venus blood is 40 mmHg.
Answer:
Severe neck stiffness or pain.
Confusion or extreme irritability.
Extreme sleepiness.
Persistent nausea or vomiting.
Severe sensitivity to light (photophobia).
Explanation:
Answer:
FDA approves Pfizer booster shots for people who are 'high risk' or over 65. The US Food and Drug Administration on Wednesday authorized a booster dose of the Pfizer and BioNTech Covd-19 vaccine for those ages 65 and older and some high-risk Americans, paving the way for a quick rollout of the shots.
Explanation:
