Skeletal System
What system protects important organs like the brain and heart?
What is Skeletal System
What system helps your body move?
What is the Muscular system
What organ pumps blood through the body?
What gas do we breathe in that our body needs?
What type of digestion breaks down molecules in the mouth?
What is Mechanical and Chemical
What is the name of the place where two bones meet?
What is a joint
What happens to a muscle when it contracts?
What is it shortens
What does blood carry to body cells? (Name ONE)
What is Oxygen, Nutrients
What organ helps you breathe?
What is Lungs
Where does digestion begin?
Name one Job of the Skeletal System.
What is Support
What is Protection
What is Movement
What is Making blood cells
Name one activity that uses the muscular system.
What is walking, running, breathing, lifting
What does the circulatory system help remove from cells?
Why does breathing faster during exercise help your muscles keep working?
Breathing faster brings in more oxygen, which is carried to muscles so they can release energy.
What organ absorbs most nutrients into the blood?
What is the small intestines
What part of the skeletal system makes red blood cells?
What is Bone marrow
What system works closely with the muscular system to help you move?
What is the skeletal system
What are the tubes that carry blood to the heart called?
What are Veins
Describe what happens to oxygen from the moment it enters your nose until it reaches a muscle cell.
Oxygen enters the lungs, moves into the blood, is carried by the circulatory system, and reaches muscle cells.
Why does food need to be broken down into smaller molecules before it can help the body?
Smaller molecules can be absorbed into the blood and used by cells.
Why are bones important besides helping your body stand up?
Bones protect organs, help with movement, and make blood cells.
Explain how muscles help you move your arm.
Muscles contract and pull on bones, which causes movement.
If the circulatory system stopped working properly, how would that affect at least two other body systems?
Respiratory system: oxygen would not reach cells
Muscular system: muscles wouldn’t get oxygen or nutrients
Digestive system: nutrients wouldn’t be delivered
Explain how the respiratory system and circulatory system work together to help cells release energy.
The respiratory system brings in oxygen, and the circulatory system carries it to cells so they can release energy.
Food is digested, but energy is not released in the stomach. Explain what must happen next for cells to get energy.
Nutrients are absorbed into the blood and carried by the circulatory system to cells, where energy is released.