Unit Test — Unit test Answers

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

Which of these is a sequence of defense for fighting off a pathogen?

Gabriel is at a stage where his body is changing physically; he is growing facial hair and building muscle. He is also just starting to make sperm.What is most likely Gabriel’s age?

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?

Which is an involuntary automatic response to a stimuli?

Sensory neuronsInterneuronsMotor neurons

Which receive information from the axon terminals of the neuron? Select three options.musclesmucusneuronsbonesglands

Which stimulus would most likely cause a person to squint?

Justine was feeling very sick. She went to the doctor, who told her she had a bacterial infection and withdrew blood for blood work.Which component in Justine’s blood would be higher than normal?

Which best compares the male and female reproductive system? Select three options.The sperm duct and fallopian tube perform a similar function.The vagina and the penis are the last passageway out of the reproductive system.The glands of the male reproductive system have the same function as the uterus.The testes and ovaries perform a similar function.Testosterone is the dominant hormone in males and females.

Which level of organization is directly below organ system?

sugarurinebloodsaliva

Which action is a physical change in digestion?

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