Skeletal System
Cardiovascular System
Nervous System
Lymphatic System
Respiratory System
100

It is the longest and strongest bone in the human body, found in the upper leg.

What is the femur?

100
The main organ of the cardiovascular system, it is a muscle that pumps blood around the body.

What is the heart?

100

The main type of nervous system, around which the Peripheral Nervous System (PNS) is based around.

What is the central nervous system? (CNS)

100

The name for liquids that do not get reabsorbed by capillaries.

What is lymph?

100

An organ in the body that holds air during respiration, and the heart draws oxygen from.

What are the lungs?

200

This bone is found in the upper chest, connecting to the ribs and clavicle.

What is the sternum?

200

The largest artery in the human body.

What is the aorta?

200

This part of the nervous system automatically controls all involuntary movements and actions.

What is the autonomic nervous system?

200

Lymphatic vessels, lymph nodes, lymph fluids, lymphatic organs.

What are the main components of the lymphatic system?

200

The process of using oxygen and glucose to create energy, which is then given to the cells by the circulatory system

What is cellular respiration?

300

The bones found in the outer parts of the body, such as the limbs.

What is the appendicular skeleton?

300

The bottom part of a blood pressure reading, showing the amount of blood pressure when the arteries and heart are at rest.

What is diastolic pressure?

300

This is the name of the chemical messenger that neurons use to receive signals.

What is a neurotransmitter?

300

Literally named "Big eaters," These cells are known for eating hostile cells whole in a process called "phagocytosis."

What are Macrophages?

300

It is the muscle that helps the lungs contract and allows you to breathe.

What is the diaphragm?

400

They are structures found in children to allow for bone growth and development as the body develops further.

What are epiphyseal plates?

400

The heart's pacemaker, it controls how fast the heart beats and gives it the signal to beat.

What is the sinoatrial node?

400

This is the structure that surrounds neurons to assist them in being more efficient and not decaying. 

What are myelin sheaths?

400
They are clusters of lymphatic tissue mainly found in the ileum of the small intestine.

What are Peyer's patches?

400

It is the area in the throat between the nose, mouth, and trachea.

What is the pharynx?

500

This substance makes up the embryonic skeleton and is also found in fully developed ribs.

What is hyaline cartilage?

500

The order for the flow of blood through the heart.

What's the significance of the ordering of the vena cava, right atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, pulmonary arteries, pulmonary veins, left atrium, left ventricle, aortic semilunar valve, aorta?

500

They are non-neuronal cells that support and perform maintenance on neurons.

What are glial cells?

500

Filtering blood, producing lymphocytes, storing immune cells, storing red blood cells & platelets, and creating antibodies, it is a key lymphatic organ.

What are the lymphatic functions of the spleen?

500

a progressive, incurable lung disease that is actually a cluster of issues, including emphysema and chronic bronchitis.

What is COPD?