Quiz 1

It provides the structural framework of the body and protects internal organs such as heart, lungs and brain.

• skeletal system

• muscular system

• heart

• bonesskeleton is composed of the shoulder, pelvic girdle, backbone, skull, and rib cage.

Which system is responsible for the movement of the body and maintaining posture?

• skeletal system

• muscular system

• nervous system

• circulatory system

What is the primary function of the heart in the human body?

• to filter blood

• to pump blood

• to produce hormones

• to digest food

Which part of the skeletal system protects the brain?

• rib cage

• skull

• spine

• pelvic girdle

What is the role of red blood cells in the circulatory system?

• to transport oxygen

• to fight infections

• to regulate body temperature

• to produce energy

Which organ is primarily responsible for filtering waste from the blood?

• liver

• kidneys

• lungs

• stomach

What is the main function of the lungs in the human body?

• to absorb nutrients

• to exchange gases

• to produce hormones

• to circulate blood

What is the primary function of the kidneys in the human body?

• to filter blood

• to produce insulin

• to absorb nutrients

• to regulate heart rate

Which component of blood is responsible for clotting?

• red blood cells

• white blood cells

• platelets

• plasma

What is the main purpose of the digestive system?

• to circulate blood

• to break down food

• to exchange gases

• to produce hormones