organ systems
This carries nutrients to all the body's cells.
What is the circulatory system?
This removes carbon dioxide from the body.
What is the respiratory system?
This moves our bones and/or our body.
What is the muscular system?
This kills infected and abnormal cells.
What is the immune system?
We need these to grow in size.
What are more cells?
This allows us to respond to the environment.
What is the nervous system?
This breaks down large molecules so our cells can use them.
What is the digestive system?
This regulates our body's long term processes, like growth and development.
What is our endocrine system?
This sends messages to our brain.
What is the nervous system?
Our cells require this to work.
What is energy?
This uses white blood cells to kill bacteria.
What is the immune system?
This protects our organs and gives our body shape.
What is the skeletal system?
This produces chemical messengers that make females and males look different from each other.
What is the reproductive system?
This makes producing offspring possible.
What is the reproductive system?
This gives you your features.
What is DNA?
This filters our blood.
What is the urinary system?
This protects our whole body and helps keep our body temperature constant.
What is our integumentary system or skin?
This brings oxygen into the body.
What is the respiratory system?
This produces our blood cells.
What is the skeletal system?
Skin, muscles, bones, hair and cartilage are all have a lot of this.
What are different proteins?