Answer: c. the physical movement of air into and out of the lungs.
Explanation:
Pulmonary ventillation is also called as breathing. This is the process which involves the inhalation or physical entry of air inside the lungs this process is called as inspiration. And the flow out of air out of the lungs is called as exhalation. The flow of air creates a pressure difference between the atmosphere and the lungs.
Answer:
16.The circulatory system is composed of in nerve cells and spinal cord: TRUE
17.Leucocytes plays vital role in the body's immune system: true
19.Cell body maintains the health of a neuron.: false
20.Brain is the main organ of the respiratory system
true
Explanation:
Answer:
The correct option is: c. Mandibular
Explanation:
Paranasal sinuses are the hollow air-filled spaces present between the bones of the skull and the bones of the face, surrounding the nasal cavity.
The four paranasal sinuses are: maxillary sinuses (present under the eyes), frontal sinuses (present above the eyes) , ethmoidal sinuses (present between the eyes), sphenoidal sinuses (present behind the eyes).
<u>Therefore, Mandibular is </u><u>not</u><u> a paranasal sinus.</u>
the events are actulky true
Explanation:
its just true
