12= ethmoid sinuses
13= temporomandibular joint
Answer:
The 3 fitness goals you can set up is run laps in the morning, do 15 push-ups, and jump-rope for 1 minute.
Explanation:
jump-rope and running laps can really help you with your cardiorespiratory endurance, while doing 15 push-ups a day can help you with your muscular strength and endurance. these 3 work-outs can really help you get fit very quickly.
Answer:
endothelium is the correct answer
Could you add the answer choices as well to be able to answer this for you
Answer: Gasses are exchanged across the alveolar membrane.
The exchange of gasses takes place across the alveolar membrane of the lungs. Our respiratory system are composed of nose, pharynx, larynx, trachea, bronchi, and lungs (alveoli) where gas exchanges between the blood and external environment by diffusion. Moreover, during the gas exchange, the oxygen enters the blood while carbon dioxide enters the alveoli.