Respiratory System
Sensory System
Nervous System
Digestive System
Cardiovascular System
100

This organ allows air to enter the body and it is divided into 2 parts.

What are the lungs?

100

This sense helps you detect sound waves.

What is hearing?

100

This is the basic functional unit of the nervous system.

What is a neuron?


100

This tube connects your mouth to your stomach.

What is the esophagus?

100

This part of the heart pumps oxygenated blood to the body.

What is the left ventricle?

200

Name the hair-like structures in the airway that help trap dust/microbes.

What are Cilia?

200

This part of the eye controls how much light enters.

What is a pupil?

200

This part of the brain controls balance and coordination.

What is the cerebellum?

200

Which digestive organ produces insulin?

What is the pancreas?

200

Which component of blood fights infection?

What are white blood cells?

300

The structure branches off the trachea and carries air into each lung.

What are the bronchi?

300

Which type of receptor is responsible for detecting pressure on the skin?

What are mechanoreceptors?

300

These two main branches make up the nervous system.

What are the central nervous system and peripheral nervous?

300

What is the function of hydrochloric acid in the stomach?

What is it helps break down food and kill pathogens.

300

This valve prevents backflow of blood between the left atrium and ventricle.

What is the mitral (bicuspid) valve?

400

What changes occur in the thoracic cavity during inhalation?

What is the diaphragm contracts and moves downward, the rib cage expands, and pressure in the lungs decreases?

400

The sense of smell is controlled by this cranial nerve.

What is the olfactory nerve?

400

Tell apart the somatic and autonomic nervous systems. 

What is, Somatic controls voluntary movements; autonomic controls involuntary actions?

400

Name two enzymes that help digest proteins and where they're active. 

What are pepsin and trypsin?

400

What is blood pressure, and what are the two numbers called?

What is the force of blood on artery walls, systolic and diastolic pressures?

500

Describe the pathway air takes from the nose to the alveoli in proper order.

What is the nose -- pharynx -- larynx -- trachea -- bronchi -- bronchioles -- alveoli ?
500

Name the three tiny bones in the middle ear that transmit vibrations.

What are the malleus, incus, and stapes?

500

Describe the steps involved in synaptic transmission between two neurons.

What is the impulse triggers neurotransmitter release, which binds to the next neuron and starts a new impulse?

500

Explain how nutrients are absorbed into the bloodstream from the small intestine.

What is, nutrients pass through villi and microvilli into capillaries via diffusion or active transport?

500

Explain how the heart's electrical conduction system controls the heartbeat.


What is the SA node starts an impulse that moves through the heart, causing it to contract in rhythm?