Answer:
carbon dioxide passes from the blood into the alveoli and is then exhaled. Oxygenated blood travels from the lungs through the pulmonary veins and the cycle goes on every time you breath or inhale you inhale oxygen into your blood cells.
Explanation:
Answer:
Making decisions will always be difficult because it takes time and energy to weigh your options. Things like second-guessing yourself and feeling indecisive are just a part of the process. In many ways, they're a good thing—a sign that you're thinking about your choices instead of just going with the flow.
Explanation:
I am not sure this is right but I would have to go with 140°
Hope this helps
Arrector pili muscle is the one with hair follicles that has a smooth muscle which is in an unconscious control rather than conscious control. This pull up the follicle causing the goose bumps then. Hope this is the right answer and will be of big help then.
