Body Systems

The function of the human excretory system is to -

• break food into small molecules that the body can absorb

• dispose of wastes and control body fluid composition

• move materials from the environment into the body

• produce enzymes the body needs to break down food

The table summarizes some of the structures and functions of the human body. What terms should replace Y?

• protects the body from germs

• allows the body to match the temperature of the environment

• provides a way for carbon dioxide to leave the body

• allows the body to move

To show students that gravity is not the only force that helps move food through the body, the teacher does a headstand and eats a cookie. Which is responsible for moving the food to the stomach?

• chewing by the teeth

• movement of the tongue

• squeezing by the esophagus

• contraction of the stomach

Which system moves oxygen to the cells and obtains structures that help the body fight infections?

• muscular system

• digestive system

• circulatory system

• endocrine system

The nervous system is most like which cell organelle?

• mitochondria

• nucleus

• chloroplast

• cell membrane

Tags

NGSS.MS-LS1-2

The cell wall is most like which organ system?

• nervous

• excretory

• respiratory

• integumentary

Tags

NGSS.MS-LS1-3

The function of the digestive system is most like which cell organelle?

• cell membrane

• mitochondria

• nucleus

• cytoplasm

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

The function of the chloroplast is to -

• convert food into energy a cell can use

• control the functions of a cell and control genetic traits

• convert radiant energy into chemical energy through photosynthesis

• store water and nutrients

Tags

NGSS.MS-LS1-6

Which system is this?

• Nervous

• Respiratory

• Circulatory

• Digestive

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-7