For regulating breathing muscles, the chemoreceptors first detect the elevated level of _______ in the blood, and then trigger the respiratory center in the _______.

Name the device that measure the “blood-oxygen saturation level”.

Which of the following is not considered an organ of the immune system?

PART II – BONUS QUESTIONS (Points WILL NOT be deducted, even if you answer the questions incorrectly.) Using the above diagram, briefly explain the “importance of vaccination” to your friends/family members/relatives. (Note: the comparison between two waves are required.)

Baroreceptors detect changes in __________ and influence the cardiovascular center.

_________ is NOT controlled by the cardiovascular center in the brain.

INSTRUCTIONS: Complete each sentence. Unscramble the words in parentheses. Ex: There were so few chairs that (chairs / few / so / that) most of us had to stand. It was ____________________ (that / an awful meal / such) we didn’t touch our food.

INSTRUCTIONS: Complete each sentence. Unscramble the words in parentheses. Ex: There were so few chairs that (chairs / few / so / that) most of us had to stand. We had ____________________ (work to do / little / so / that) we were bored.

INSTRUCTIONS: Rewrite each sentence. Replace the underlined noun clause with an infinitive clause. Ex: I don’t know what I should do about Maya’s driving.   I don’t know what to do about Maya’s driving. Do you know where I could find a good driving app?

INSTRUCTIONS: Rewrite each sentence. Replace the underlined noun clause with an infinitive clause. Ex: I don’t know what I should do about Maya’s driving.   I don’t know what to do about Maya’s driving. Do you know where I could find a good driving app?