The Immune System — Unit test Answers

When is the most likely time for a female to become pregnant during her menstrual cycle?

Stella is stressed about her upcoming midterm exams. Which glands are managing that stress during the tests?

The graph shows the changing levels of hormones during menstruation and ovulation. Which hormone has the most influence on preparing the body for pregnancy?

The picture represents gas exchange in the alveoli. Observe what is happening at location X.

During digestion, water is both added and removed. Which area of the digestive system removes water?

sugarurinebloodsaliva

Which action is a physical change in digestion?

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. Which structure or structures produce substances most likely to affect the development of these traits?

Which actions are involved in the immune response?

Staphylococcus aureus, or staph, is a bacteria that is commonly found in the nose and on the skin of humans. While it is typically not harmful to humans, it is sometimes able to enter the body through an injury or broken skin, and get into the bloodstream. When this happens, it can cause a serious infection called sepsis. Sepsis can cause an individual to go into shock and bodily organs to stop functioning. Symptoms of sepsis include inflammation, fever or hypothermia, increased heart rate, and rapid breathing.Which immune system component initially results in the inflammation and responds quickly when Staphylococcus aureus enters the bloodstream?

In the heart, one ventricle pushes blood with oxygen to the cells of the body. Where does the other ventricle push the blood without oxygen?

Which is the last section of the digestive system?

Maintaining a healthy lifestyle through diet and exercise is important,

What is semen?

The picture represents a structure of the respiratory system.