Integumentary & Musculoskeletal
Nervous & Sensory
Cardiovascular & Respiratory
Digestive & Urinary
Endocrine, Reproductive, & Immune
100

What is the main function of the skin?

protection 

100

What is the basic unit of the nervous system?

neuron 

100

What is the main function of the heart?

To pump blood through the body

100

What is the main function of the digestive system? (2 parts)

Break down food and absorb nutrients

100

What is the main function of the endocrine system?

produce hormones 

200

What protein gives skin its strength and flexibility?

collagen 

200

Which part of the brain controls balance and coordination?

cerebellum 

200

What blood vessels carry blood away from the heart?

arteries 

200

What is the main function of the urinary system? 

Remove waste and regulate water balance

200

Which gland is called the “master gland”?

Pituitary Gland 

300

Name the three layers of skin.

Epidermis, Dermis, Subcutaneous (fatty) tissue

300

What carries messages from the brain to the body?

motor nerves 

300

Where does gas exchange occur in the lungs?

alveoli

300

Where does most nutrient absorption occur?

small intestine 

300

What are the male and female reproductive cells called?

sperm and ovum (egg) / ova (eggs) 

400

What purpose do muscles serve? (hint- there's three!)

Movement, posture, and heat production

400

What is the function of the spinal cord?

Transmits messages between brain and body

400

Which side of the heart pumps oxygenated blood?

left side 

400

What is the functional unit of the kidney?

nephron 

400

What organ helps fight infection by producing lymphocytes?

lymph nodes or spleen 

500

What connects muscles to bones?

tendons 

500

Which sense organ contains the retina?

the eye

500

What is the function of hemoglobin?

Carries oxygen in red blood cells (RBC). 

500

Which organs produce AND store bile?

Liver and Gallbladder 

500

What hormone regulates blood sugar?

insulin