Answer:
Option (4).
Explanation:
Respiratory system may be defined as the system involves in the exchange of gases between the tissue, lungs and the outside environment. The respiratory system involves nose, mouth, larynx, trachea, lungs, brochi, alevoli and alveolar ducts.
The oxygen is inhaled in the body and carbon dioxide is exhaled out from the body. The oxygen is transferred into the blood stream by binding of oxygen with hemoglobin. The oxygen is diffused in to body due to the partial pressure difference of oxygen and carbon dioxide.
Thus, the correct answer is option (4).
Divergent evolution based on their homologous structures. they come from a common ancestor
Answer:
Virškinimas yra didelių netirpių maisto molekulių suskaidymas į mažas vandenyje tirpias maisto molekules, kad jas būtų galima absorbuoti į vandeningą kraujo plazmą. Tam tikruose organizmuose šios mažesnės medžiagos absorbuojamos per plonąją žarną į kraują.
Explanation:
Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream.
The nervous system.~~~
And in the nervous system is the nucleus.....the organelle responsible.
And inside the nervous system is the RNA and DNA that helps sending the information.