Name the System
This body system helps you breathe by bringing oxygen into your body and removing carbon dioxide.
Respiratory System
Which set of bones in your head protects your brain?
The cranium or skull
This part of the nervous system carries messages between the brain and the rest of the body.
Spinal cord
The muscular system works with this body system to help your body move and provide support.
Skeletal system
Food enters your digestive system through this organ when you eat.
Mouth
This body system pumps blood throughout your body, carrying oxygen and nutrients to different parts of your body.
Circulatory system
Where does the spinal column run?
vertically from the base of your skull to your tailbone
These parts of the nervous system carry messages between the brain, spinal cord, and different parts of the body
Nerves
Which statement BEST explains how the muscular and skeletal systems work together?
A. Muscles protect the brain, and bones digest food.
B. Muscles contract and pull on bones to help the body move.
C. Bones send oxygen to muscles.
D. Muscles make blood, and bones pump it.
Answer: B. Muscles contract and pull on bones to help the body move.
Most nutrients from the food you eat are absorbed into your body through this organ.
Small intestine
This body system breaks down the food you eat so your body can use the nutrients for energy and growth.
Digestive System
What are vertebrae and what do they protect?
Vertebrae are the individual, small irregular bones that stack on top of each other to form the spinal column
Which sequence correctly shows how the nervous system helps you respond to something you see?
A. Brain → eyes → response
B. Eyes → brain → response
C. Response → eyes → brain
D. Brain → response → eyes
Answer: B. Eyes → brain → response
When muscles get shorter and tighter to create movement, they are doing this.
contracting
After your body takes the nutrients it needs from food, the digestive system removes the material your body cannot use. What is this process called?
Elimination
This body system includes your brain, spinal cord, and nerves. It helps your body receive information and respond to it.
Nervous system
What bone, in the middle of your chest, is connected to your ribs?
The sternum
These tiny cells carry messages between the brain, spinal cord, and the rest of the body. What are they called?
neurons
You use muscles in your face to do this when you are happy.
Smiling
After you swallow food, it travels through this tube on its way to your stomach.
Esophagus
This body system is made up of bones that support and protect your body and help you move when they work with muscles.
Skeletal System
Which bones are shaped like triangles behind your rib cage?
Scalpulae
A student hears the school bell, understands that class is over, and begins walking to the next classroom. Which statement BEST explains the nervous system's role?
Answer: It receives information, processes it, and helps the body respond.
Which action requires your muscular system to work?
A. Digesting food
B. Blinking your eyes
C. Making a decision
D. Hearing a sound
B. Blinking your eyes
A student eats an apple. The digestive system breaks down the apple and absorbs nutrients that the body can use for energy and growth. What is the main job of the digestive system?
Answer: To break down food and absorb nutrients.