7th Grade Body Systems

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What system is responsible for breaking food into smaller molecules?

Back

The digestive system is responsible for breaking food into smaller molecules that can be absorbed by the body.

Front

Which organ absorbs most of the nutrients from food?

Back

The small intestines absorb most of the nutrients from food.

Front

Which term does not belong: cartilage, joints, skin, bone?

Back

Skin does not belong because it is not a connective tissue like the others.

Front

What three systems work together to move the body?

Back

The skeletal, muscular, and nervous systems work together to move the body.

Front

What is the function of the circulatory system?

Back

The circulatory system transports blood, nutrients, gases, and waste products throughout the body.

Front

What is the role of the respiratory system?

Back

The respiratory system is responsible for taking in oxygen and expelling carbon dioxide.

Front

What is the main function of the skeletal system?

Back

The skeletal system provides structure, support, and protection for the body, and facilitates movement.

Front

What is diffusion?

Back

Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.