The powerful muscle that pumps blood through the body is called (lungs or heart)
heart
When the diaphragm pulls down, the (lungs or heart) fill with air.
lungs
Everything in the body is controlled by the (lungs or brain).
brain
Bones belong to ___ system.
skeletal system
Muscles belong to ___ system.
muscular system
Blood vessels belongs to ___ system.
circulatory system
Lungs belong to ___ system.
respiratory system
Spinal cord belongs to ___ system.
nervous system
Small intestine belongs to ___ system.
digestive system
What is a system?
a group of body parts that work together to do a job
Cheese, milk, and yogurt are part of the ___food group.
dairy
Grapes, bananas, and apples are part of the ___ food group
fruit
The two body parts that work together to help your arms and legs move are the muscles and bones. (True or False)
True
Your heart and your knee are about the same size. (True or False)
False
God designed the skull to protect the brain. (True or False)
true
The stomach is a bag of muscle that mixes food with digestive juices. (True or False)
true
