Digestive, Reproductive, & Excretory Systems Quiz

The picture shows the human digestive system. The arrow is pointing to the organ that is used to digest and then absorb nutrients. The arrow is pointing to which organ?

• stomach

• pancreas

• small intestine

• liver

Some bacteria cause diseases that prevent the human body from staying healthy. Bacteria in the digestive tract, however, are helpful to humans in different ways. How do bacteria help humans get energy?

• Bacteria get into cuts and cause infections.

• Bacteria give us colds and fevers.

• Bacteria help humans digest food.

• Bacteria help humans with voluntary movement.

This table shows examples of bacteria and its function. According to the table, which two bacteria are helpful to a human's digestive system?

• lacto

• strepto

• helio

• entero

What is the FIRST stage of development a baby’s body goes through?

• The baby’s body goes through infancy and early childhood.

• A baby is born.

• The body reaches adolescence.

• The body goes through middle childhood.

What is the SECOND stage of development a baby’s body goes through?

• The baby’s body goes through infancy and early childhood.

• A baby is born.

• The body reaches adolescence.

• The body goes through middle childhood.

What is the THIRD stage of development a baby’s body goes through?

• The baby’s body goes through infancy and early childhood.

• A baby is born.

• The body reaches adolescence.

• The body goes through middle childhood.

What is the FINAL stage of development a baby’s body goes through?

• The baby’s body goes through infancy and early childhood.

• A baby is born.

• The body reaches adolescence.

• The body goes through middle childhood.

Below the urinary system is shown of 3 main organs. The arrow is pointing to which organ?

• bladder

• ureter

• kidney

Below the urinary system is shown of 3 main organs. The arrow is pointing to which organ?

• bladder

• ureter

• kidney

Below the urinary system is shown of 3 main organs. The arrow is pointing to which organ?

• bladder

• ureter

• kidney