The heart contains chambers called the ______.    

  What is the blood type?      

……………………………………carry oxygen from our lungs to the rest of our bodies. Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled. (indicated with letter A)     

Mineralocorticoids regulate the concentration of ……………….. and …………………. ions in our blood.

Endocrine system produces chemical messengers known as ……………………..?  

Which of the following is a part of the large intestine?    

Which of these is a function of blood?  

Which following is the fibromuscular tube that runs between the uterus and the outside of body? Conveys uterine secretions, receives the penis during intercourse, and provides a passageway for offspring during birth.      

Which of these proteins is normally found in the plasma and plays an important role in maintaining the osmotic concentration of the blood?  

Which of these is a lymphoid organ that is active in young children, but decreases in size and importance in adulthood?