Answer:
When we breathe, the air goes through the trachea and bronchi and splits at the tracheas base with one entering each lung. The air divide itself into the bronchioles. Then diffusion happens by swapping the CO2 in the capillaries with O2 in the airsacks. The oxygen hemoglobin gets transported to all of the bodyand the Co2 is exhaled.
Explanation:
Answer:
I would say B) Safety
Explanation:
Maslow's Hierarchy of Needs? Then it should be safety since you are being sheltered from harm, making you safe. Physical needs maily involve the basics, like food or water.
Answer:
so people like you and you have a good imprint in their lives.
Explanation:
leave a great legacy!
Answer:
they are not effective against viral infections such as a cold or flu.
