The pulmonary circuit involves blood flow from the heart to the _____________________________.

The cusps of the atrioventricular valves attach directly to _________________________________.

Steroid hormones are made from __________________________.

The mucosa of the carina (last cartilaginous ring of the trachea,) contains sensory receptors that trigger:

All red blood cells in an adult originate in the _____________________________-.

Mary is lactose-intolerant because she produces insufficient amounts of an enzyme called _____________________.

Sheena’s B lymphocytes (B cells) produced antibodies to protect her about 3-5 days after she was exposed to a virus.  What type of immunity do antibodies provide?

The hormone responsible for the powerful contractions of the uterus during childbirth is ______________________.

Cells of the ovary produce female steroid hormones known as __________________________.

Chief cells secrete _______________________________.