decisions to the body parts that will act on the message. It is mathe spinal cord and extend to all parts of the body. The neuron or nerve cell is the functional unithe nervous system.Directions: Read the following item and choose the letter of the correct answer.1. Which part of the respiratory system where air, water, and food pass through?a. larynxb. tracheac. pharynx2. What is the main organ of the respiratory system?a. alveolib. bronchic. diaphragmd. epiglottisd. lungs3. These are small pouches or sacs in the lungs where exchange of carbon dioxide and oxystakes place.a. bronchial tube b. nostrilsc. alveolid. nasal cavity4. Which part of the circulatory system carries blood throughout the body?a. blood vessels b. heartc. bloodd. veins5. It is the pumping organ of the circulatory system.a. heartb. bloodc. blood vesselsd. veins6. It is referred to as the river of life.a. blood vessels b. heartd. capillariesc. blood7. It is considered as the functional unit of the nervous system.a. brainb. neuronsc. musclesd. bones8. It controls and coordinates the activities of the whole nervous system.a. central nervous systemc. nervous systemb. sympathetic nervous systemd. brain9. It is a system that controls other parts of the body.a. nervous systemc. digestive systemb. circulatory systemd. respiratory system10. It is the primary organ of the central nervous system contained within the skull.a. brainb. axonC. dendritesd. cell body
Answer (1)
The pharynx is the part of the throat that connects the nasal cavity and mouth to the larynx and esophagus. It's a common pathway for both air and food. 2. What is the main organ of the respiratory system? - Answer: d. lungs-
