Digestive System
The main function of the digestive system.
To break down food and absorb nutrients.
The function of the respiratory system.
Bring in oxygen and remove carbon dioxide.
The main organ of the circulatory system.
Heart.
The two main parts of the central nervous system.
Brain and spinal cord.
The two main parts of the musculoskeletal system.
Bones and muscles.
The organ where most nutrient absorption happens.
Small intestine.
The organ where gas exchange takes place.
Lungs.
Blood vessels that carry blood away from the heart.
Arteries.
Nerves that spread throughout the body are part of this system.
Peripheral nervous system.
The tissue that connects muscle to bone.
Tendon.
Breaking down food by chewing and churning is called this type of digestion.
Mechanical digestion.
The tiny air sacs where oxygen moves into the blood.
Alveoli.
The tiny blood vessels where oxygen and nutrients are exchanged.
Capillaries.
These specialized cells send messages between the brain and the body.
Neurons.
The type of muscle that you can control voluntarily.
Skeletal muscle.
This long muscular tube uses peristalsis to move food to the stomach.
Esophagus.
The tube that connects the larynx to the bronchi.
Trachea (windpipe).
The name of the circulation pathway that carries blood from the heart to the lungs and back.
Pulmonary circulation.
This part of the brain controls balance and coordination.
Cerebellum.
The function of ligaments.
Connects bone to bone at a joint.
Name all of the following in correct order: stomach, mouth, large intestine, esophagus, small intestine.
Mouth → Esophagus → Stomach → Small Intestine → Large Intestine.
Explain how the circulatory system and respiratory system work together to get oxygen to cells.
Respiratory system brings oxygen into lungs → oxygen diffuses into blood → circulatory system carries oxygen to cells.
List the four chambers of the heart.
Right atrium, right ventricle, left atrium, left ventricle
Explain the path of a reflex when you touch something hot (start with sensory neuron).
Sensory neuron detects pain → spinal cord sends message → motor neuron moves hand away.
Name three functions of bones.
Structure/support, protect organs, make blood cells, store minerals