Answer: C
Explanation: I took the test hoped this helped :)
Respiratory system is refers to as the organs which are involved in breathing such as nose, throat, larynx, trachea, bronchi, and lungs. It is also known as respiratory tract.
The circulatory system is refer to as which contains the heart and the blood vessels and blood moves throughout the body in vessels. This circulatory system helps tissues to get enough oxygen and nutrients, and it helps them get rid of waste products.
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What is breathing?</h3>
When person inhale (breathe in), air enters in the lungs, and oxygen from atmosphere moves to body blood. At the same time, carbon dioxide, a waste gas, moves from blood to the lungs and is exhaled (breathed out).
Breathing process is known as gas exchange which is is essential to life.
For more information regarding breathing, visit:
brainly.com/question/15001725
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Answer:
the 2nd and 1st statement is correct about frequencies in a population
Answer:
eukaryotes
Explanation:
Acheas and Eucariontes have a common ancestor, which justifies the vast similarity in the structure and cellular function of each individual. These similarities have already caused confusion in the academic community that has already joined the two organizations in a single group, however, it is now known that the similarities are due to a common ancestor.
The answer is C. olfactory receptors
