The diaphragm relaxes during quiet expiration. 

Which of the the following characteristics of cardiac muscles allow the action potential to move from one cell to the next? 

The muscles of inspiration will increase the volume of the thoracic cavity. 

Select the correct order of heart conduction.

Which layer of the heart is responsible for contractions?

Which special sense takes place in the nasal cavity?

Choose the correct option to correctly complete the sentence:  An adverbial clause always needs a ______ and a _______.

Choose the correct option to correctly complete the sentence:  An adverb clause is a/an __________ type of clause. 

Choose the correct option to correctly complete the sentence:  An adverb clause clarifies and gives extra details and information about the ________ in the main/independent clause. 

A hornet circles around a pop can at constant speed once per second in a path with a diameter. We can conclude that the hornet’s wings must push on the air with force components that are: