Ch. 3 Growth and Development

The body system that helps a person move and maintain posture is called the

• respiratory system

• genes

• muscular system

• skeletal system

The period between childhood and adulthood is called

• teenagers

• adolescence

• tweens

• middle schoolers

The body system that helps the body use air that is inhaled is the

• skeletal system

• respiratory system

• lungs

• nose

A _____________ is a tiny piece of information, found in a chromosome, that controls heredity.

• gene

• vein

• brain

• heart

An important part of the nervous system is the ________, which connects the brain with the nerves throughout the body.

• neck

• vertebra

• skull

• spinal cord

After food exits the mouth, it enter the ___________ in the next step of the digestive system.

• lungs

• esophagus

• stomach

• intestines

What does the skeletal system do for your body?

• holds the body together

• protects inner body parts

• helps a person to move

• all of the above

How do the digestive and urinary system work together to remove wastes?

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What types of changes does puberty change?

• growth

• emotions

• your thinking

• All the above

A body system is a group of organs that work together to perform a certain related task.

• true

• false