Spinal Cord•What is the name of the

bundle of nerves that runs down your back?

Cells •What are the smallest living structures in the

human body?

Involuntary •What kind of muscles are

being used when you digest food, breathe, or pump blood around your

body?(voluntary or involuntary)

Cardiac •What kind of muscle is

the heart made of?

lungs •Where do red blood cells

pick up oxygen?

Bones •What tissue makes red

and white blood cells?

Smooth Muscle•What kind of muscle

helps you breathe (diaphragm) and moves

food through the digestive system?

Brain •Which organ receives and sends messages to all parts of your body?

Blood Cells•What kind of cells do

bones make?

Skeletal System

•Which body system protects your vital organs?

White Blood Cells

•What kind of blood cells fight pathogens?

Skeletal System

•What system supports your body?

Muscular System

•What body system moves your body parts?

Skeletal System

•What body system makes blood cells?

Respiratory System

•Which system takes in oxygen and removes

carbon dioxide from your body?

Skin •What organ helps to

maintain your body temperature (by

sweating)?

Voluntary •What kind of muscles are

being used when you kick a ball, swim, or hold

a pencil?(voluntary or involuntary)

Alveoli

•What is the name of the tiny air sacs that

exchange oxygen and carbon dioxide gases?

Oxygen and Glucose (food for the plant)

•What are the two products of

photosynthesis?

Endocrine System

•Which body system sends hormones to make

things happen in your body?

Circulatory System

•Which system moves blood around your body?

Reproductive System

• This system creates more individuals, babies.

Excretory System

• This system removes wastes from your body.

Hormones

• Chemical messengers

• They tell your body when and how much to grow

Endocrine System• This system sends messages in

the form of chemicals called hormones.