Which is true about the interaction between the upper respiratory system and respiration?
the lower respiratory tract brings air to the upper respiratory tract so that gas exchange can occur in the nose.
the upper respiratory tract brings air to the lower respiratory tract so that gas exchange can occur in the lungs.
the upper respiratory tract does not play a role in respiration.
all respiration occurs in the upper respiratory tract.

The upper respiratory tract brings air to the lower respiratory tract so that gas exchange can occur in the lungs.

Option b

Explanation:

The respiratory system of the human beings is divided into two parts: The upper part of the respiratory system bring the air inside the body through the nasal passage.

The lower part of the respiratory system helps in the exchange of the gases in the lungs. Here, the carbon dioxide is pushed to exhale and the oxygen is distributed to the various parts of the body along with the blood.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

click to let others know, how is it

mark brainliest and have a great day!