Answer:
the amount of surfactant inside the alveoli
Explanation:
Answer:
Might be true...
Peer pressure—their friends encourage them to try cigarettes and to keep smoking. They see smoking as a way of rebelling and showing independence. They think that everyone else is smoking and that they should, too. The tobacco industry has used clever marketing tactics to specifically target teenagers.
Credit:
Why Kids Start Smoking | American Lung Association
Hope it helps!
Answer:
True
Explanation:
Pacemaker cells, unlike other neurons in the body, can depolarized themselves (and therefore can fire action potentials) without the need of an external innervation of the autonomic nervous system.
Each class of pacemaker cells has its own intrinsic rate.
For example, sinoatrial node rate is 60-100 bpm (the normal heart frequency).
The atrioventricular node is also part of the electrical conduction system of the heart. When the sinoatrial node fails, atrioventricular node takes the lead (40-60 bpm).
Answer:
not safe
Explanation:
Because the package says the oral dose is only 0.25 to 1
