Cell and Human body System

What are cells described as in the text?

• The building blocks of all living things

• The smallest unit of life

• The main source of energy

• The connectors of body parts

According to the image, what does a group of specialized cells form?

• An organ

• A tissue

• A molecule

• A compound

Which part of the nervous system is primarily responsible for transmitting information between the brain and the rest of the body?

• Neurons

• Spinal cord

• Nerve cells

• Brain tissue

What is the smallest unit of life that makes up all living organisms?

• Organism

• Organ

• Tissue

• Cell

What comes immediately after the tissue in the levels of cellular organization?

• Organ

• Organ System

• Cell

• Organism

Which level of cellular organization is directly above 'tissue' in complexity?

• Cell

• Organ

• Organism

• Molecule

Which system of the human body is responsible for breaking down food into nutrients that can be absorbed?

• Respiratory system

• Digestive system

• Muscular system

• Skeletal system

What is the primary function of the respiratory system in the human body?

• To circulate blood

• To support the body's structure

• To help in movement

• To provide oxygen needed for cellular respiration

Which system in the human body is primarily responsible for movement?

• Circulatory system

• Nervous system

• Muscular system

• Digestive system

What is the main role of the skeletal system in the human body?

• To digest food

• To pump blood

• To control body functions

• To provide structure and protect organs