Introduction to Body Systems

Who is speaking to the students and helping them learn about body systems?

• A math teacher

• Dr. Welbody

• A firefighter

• A chef

Which three body systems will the class learn about over the next few days?

• Digestive, circulatory, and respiratory

• Skeletal, muscular, and nervous

• Skin, hair, and nails

• Plant, animal, and mineral

Look at the picture of the classroom. What is Dr. Welbody showing the students on the screen, and why might this be a good way to start learning about the skeletal system?

• A picture of healthy foods, because the lesson is about nutrition

• Two views of a human skeleton, because it shows the bones we will study

• A map of the school, because we need to find the nurse's office

• A weather chart, because weather affects our bones

Tags

CCSS.RI.1.1

CCSS.RI.2.1

CCSS.RI.3.1

CCSS.RL.2.1

CCSS.RL.3.1

What is the skeletal system?

• A group of muscles that help you move

• A group of bones that give your body shape

• A set of organs that digest food

• A layer of skin that keeps you warm

According to the text, about how many bones are in your body?

• More than 200

• About 50

• Exactly 100

• Less than 25

Look at the skeleton pictures. Which view shows the skeleton from the front?

• The picture on the left

• The picture on the right

Why do doctors need to study the names of many bones? Use the information to choose the best reason.

• To draw better pictures

• Because they must learn the name of every bone in the body

• So they can run faster

• Because bones are all the same

Tags

CCSS.RI.2.2

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.3.2

CCSS.RL.4.2

What is another name doctors use for the skull?

• Spine

• Cranium

• Pelvis

• Vertebra

What important job does the skull do?

• Helps you breathe

• Protects your brain

• Pumps blood

• Moves your legs

How many bones make up a human skull?

• 1

• 12

• 22

• 32