Human Body

Students jump rope for one minute and determine the changes in heart and breathing rates. The data is shown in the table. Which explains the functions of all the body systems that have to work together to help this movement happen?

• respiratory system

• sense and respond to changes in the body and environment

• circulatory system

• support the muscles and organs

• nervous system

• Pump blood throughout body and carry nutrients, oxygen, and waste

• skeletal system

• add oxygen to and remove carbon dioxide from blood

Tags

NGSS.MS-LS1-3

Which two body systems are primarily responsible for locomotion?

• skeletal and muscular

• nervous and circulatory

• respiratory and digestive

• integumentary and excretory

Your _______ is a muscle connected to the bottom of your lungs that helps your lungs expand and contract when you breathe.

• esophagus

• alveoli

• trachea

• diaphragm

_________ are absorbed into the blood.

• saliva

• gastric juices

• bile

• nutrients

What system is shown in the picture?

• Nervous System

• Circulatory System

• Muscular System

• Skeletal System

Tags

NGSS.MS-LS1-3

Which body system is shown here?

• circulatory system

• respiratory system

What organ pumps blood throughout your body?

• veins

• arteries

• heart

• blood vessels

Our lungs ...

• breathe in oxygen and breathe out carbon dioxide.

• breathe in carbo.

• breathe in helium and breathe out oxygen.

• breathe in oxygen and breathe out helium.

What is another word for your windpipe?

• esophagus

• sinuses

• trachea

• alveoli

The breakdown of food into small molecules, which are then absorbed into the body is the main function of which body system.

• integumentary system

• digestive system

• excretory system

• endocrine system