Which system protects organs and gives the body shape?
Skeletal system
Which system sends fast messages using nerves?
Nervous System
Which system moves blood through the body?
Circulatory system
Which system allows oxygen to enter the body?
Respiratory system
Which system breaks down food for energy?
Digestive system
What are the main function of the muscular system?
Movement and strength
What system controls growth and releases hormones?
Endocrine system (pituitary gland)
What organ pumps blood through the body?
The heart
Which organ filters waste from the blood?
Kidneys
What are the 5 main organs of the digestive system?
Mouth, Esophagus, Stomach, Small Intestine, and Large Intestine.
How do the muscular and skeletal systems work together?
Muscles pull on bones to create movement
How does the endocrine system send messages?
Through hormones in the bloodstream
What is the main job of the immune system?
To fight disease and infections
How does the integumentary system help with temperature control?
By sweating
How does digestion support reproduction?
Provides energy and nutrients
Why would movement be difficult without joints?
Bones could not bend or move
Which two systems work together to control body responses?
Nervous and endocrine systems
Which two systems does the cardiovascular system work with to send oxygen and nutrients to all parts of the body?
The respiratory system and the digestive system
How do the respiratory and circulatory systems work together?
Oxygen enters lungs and is carried by blood
Which body system works with the digestive system to help transport nutrients all throughout the body?
Circulatory System
What could happen if bones did not produce blood cells?
The body could not transport oxygen or fight infection
Why does the endocrine system act slower than the nervous system?
Hormones travel through blood
Why is blood considered a tissue?
It is made of multiple cells with a specific function
What might happen if waste is not removed from the body?
Toxic buildup and illness
Why is reproduction important but not required for survival?
It makes offspring for the species