Human Body Systems

Which cell structure do nutrients pass through to enter a cell?

• cell membrane

• chloroplast

• cytoplasm

• nucleus

Tags

NGSS.MS-LS1-2

A group of tissues that work together to perform a specific function is called

• a cell

• an organ

• an organism

• a system

Tags

NGSS.MS-LS1-3

When food is being mechanically digested, it is being

• changed into another substance

• made smaller in size

• converted into energy

• excreted from the body

The primary purpose of which human organ system is to produce hormones that regulate body functions?

• skeletal

• muscular

• circulatory

• endocrine

Which gas is used by humans in the process of cellular respiration?

• methane

• nitrogen

• oxygen

• carbon dioxide

Which level of organization is identified by X?

• cell

• tissue

• organ

• organ system

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-2

NGSS.MS-LS1-1

The diagrams represent some respiratory structures in three organisms. The labeled structures in these organisms all have a similar function. What is the main function of the labeled structure(s) in each organism?

• circulation of blood

• digestion of food

• production of hormones

• exchange of gases

One function of the human excretory system is

• making materials that the body cells need

• removing excess heat energy and waste products from the body

• moving substances to and from body cells

• controlling the body’s responses to stimuli

The ________ and ________ are the main systems that move fluid throughout the body.

• circulatory system, lymphatic system

• immune system, circulatory system

• skeletal system, muscular system

• lymphatic system, respiratory system

Which system’s main purpose is to allow organisms to create more organisms?

• immune system

• excretory system

• reproductive system

• endocrine system

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4