Exploring Human Anatomy and Physiology

Which type of muscle is involuntary and found in the heart?

• Cardiac muscle

• Smooth muscle

• Voluntary muscle

• Skeletal muscle

What is the primary function of red blood cells?

• To transport oxygen and carbon dioxide.

• To produce insulin

• To regulate body temperature

• To fight infections

Which part of the heart pumps oxygenated blood to the body?

• Left atrium

• Pulmonary artery

• Left ventricle

• Right ventricle

What is the main organ of the respiratory system?

• diaphragm

• trachea

• bronchi

• lungs

What gas do we primarily inhale during respiration?

• Hydrogen

• Nitrogen

• Oxygen

• Carbon Dioxide

Which part of the nervous system controls voluntary movements?

• Autonomic nervous system

• Central nervous system

• Somatic nervous system

• Peripheral nervous system

What is the basic functional unit of the nervous system?

• Neuron

• Axon

• Dendrite

• Synapse

What is the primary function of the small intestine?

• Filtration of blood

• Storage of bile

• Production of hormones

• Digestion and absorption of nutrients

Which organ is responsible for detoxifying chemicals in the body?

• Liver

• Kidney

• Lungs

• Heart

What is the largest bone in the human body?

• femur

• humerus

• radius

• tibia