Muscular
What is the main function of muscles in the body?
To produce movement.
What organ is responsible for taking in oxygen and releasing carbon dioxide?
Lungs.
What organ pumps blood throughout the body?
The heart.
What is the main function of the skeletal system?
To support the body and protect organs
What organ is responsible for breaking down food into nutrients that the body can absorb?
Stomach
Which type of muscle is under voluntary control?
Skeletal muscle.
Which tube carries air from the throat to the lungs?
Trachea.
Which type of blood vessel carries oxygenated blood away from the heart?
Arteries.
What connects bones to other bones at joints?
Ligaments.
What organ produces bile, which helps digest fats?
Liver
What connects muscles to bones, allowing movement?
Tendons.
What muscle helps the lungs expand and contract during breathing?
Diaphragm.
What are the tiny blood vessels where oxygen and nutrients are exchanged with tissues?
Capillaries.
How many bones does the average adult human have?
206 bones.
Which part of the digestive system is responsible for absorbing most nutrients?
Small intestine.
What type of muscle is found in the heart?
Cardiac muscle.
Where in the lungs does the exchange of oxygen and carbon dioxide occur?
Alveoli.
What is the liquid part of blood called?
Plasma.
What type of joint allows the most movement, such as the shoulder or hip?
Ball-and-socket joint.
What is the long, coiled tube that removes water from digested food?
Large intestine.
Name the process in which muscles contract and relax without conscious thought to help move food through the digestive system.
Peristalsis.
What is the name of the process by which oxygen is transferred from the air into the blood?
Gas exchange.
What part of the circulatory system helps return blood to the heart?
Veins (or venous system).
What is the name of the process by which bones create new blood cells?
Hematopoiesis.
What enzyme, found in saliva, starts breaking down carbohydrates?
Amylase