Integumentary System
Skeletal System
Muscular System
Nervous System
Endocrine System
Respiratory System
Urinary System
Circulatory System
Reproductive System
Digestive System
Immune System
100

The cells that produce skin pigment.

What are melanocytes? 

100

The cells that break down bone.

What are the osteoclasts?

100

The name of muscle cells. 

What are sarcomeres?

100

Nerve cells. 

What are neurons?

100

The master gland.

What is the pituitary?

100

The muscle that controls breathing.

What is the diaphragm?

100

The first stage of urine foramtionit occurs between the glomerulus and the Bowman's capsule.

What is filtration?

100

The muscle that makes up the heart. 

What is cardiac muscle?

100


Optimal temperature for sperm production.



What is 95o F?

100

The digestion of fiber occurs in this organ (with the help of bacteria).

What is the large intestine?

100

Macrophages, neutrophils, and eosinophils are examples of these types of cells that eat other cells.

What are phagocytes?

200

They are glands that secrete oil.

What are sebaceous glands?

200

The tissue that makes red blood cells. 

What is red bone marrow?

200

The muscle end that doesn't move when contraction occurs. 

What is the origin? 

200

The two ions that produce action potentials.

What are sodium and potassium?

200
The gland that controls blood glucose levels. 

What is the pancreas?

200

The function of the conchae. 

What is to increase surface area?

200

The inner portion of the kidney. 

What is the medulla?

200

Blood vessels that carry blood away from the heart.

What are arteries?

200

The inner lining of the uterus.

What is the endometrium?

200

The three enzymes found in intestinal juice.

What are lipase, trypsin and amylase?

200

Molecules that drill holes in bacteria after being activated by T-cells.

What are complement proteins?

300

It is the outer layer of the skin.

What is the epidermis?

300

The two major divisions of the skeletal system. 

What are the appendicular and axial skeleton?

300

The element that moves tropomyosin away from the actin. 

What is calcium?

300

The molecule that powers the sodium/potassium pumps. 

What is ATP?

300

The glands that activate the fight-or-flight response.

What are the adrenals?

300

Tissue in the respiratory system that warm, clean and humidify the air. 

What is mucous membrane?

300

The part of the nephron that forms a cup around the capillaries where filtration occurs.

What is the Bowman's capsule?

300

The location of the AV and SA nodes.

What is the right atrium?

300

The hormone that causes ovulation in females and the production of testosterone in males.

What is luteinizing hormone?

300

The mineral stored by the liver after destroying old red blood cells.

What is iron?

300

Immune systems cells that kill cancer cells.

What are T-cells?

400

The substance that fills the cells of the epidermis.

What is keratin? 

400
The three bones that make up the pelvis.

What are the pubis, ilium, and ischium?


400

The molecule that supplies the energy for muscle contraction.

What is ATP?

400

The ion that causes the release of the neurotransmitters into the synapse. 

What is calcium?

400

The glands that regulate the amount of calcium in the blood. 

What are the thyroid and parathyroids?

400

The gas produced during cellular respiration.

What is CO2?

400

The hormone that makes the nephrons reabsorb more water.

What is antidiuretic hormone?

400

They are the blood cells that carry oxygen.

What are red blood cells?

400

The number of stages of meiosis.

What is eight?

400

 The cellular site of the anabolism of proteins. 

What are the ribosomes?

400

Immune system cells that prevent blood clotting.

What are basophils?

500

It is the vitamin that is produced in the skin. 

What is vitamin D?

500

The four bones of the leg.

What are the femur, tibia, fibula, and patella?

500

The three types of muscle tissue.

What are smooth, skeletal, and cardiac?

500

The neurons that connect sensory neurons and motor neurons. 

What are interneurons?

500

They are the class of hormones secreted by the pituitary that target endocrine glands.

What are tropic hormones?

500

The space between the vocal cords.

What is the glottis?

500

The muscles that control urine flow out of the body.

What are the urethral sphincters?

500

Small blood vessels that connect capillaries and veins.

What are venules?

500

The two stages of the ovarian cycle.

What are the follicular and luteal phases?

500

The term for the ball of food from the mouth to the stomach.

What is the bolus?

500

The "vestigial" organ that may play a role in the lymphatic system.

What is the appendix?

600

The muscles found at the base of hairs that cause "goosebumps."

What are the arrector pili?
600

The bone through which tears drain into the nasal sinuses.  

What is the lacrimal?

600

The product that is produced by muscle cells during anaerobic respiration.

What is lactic acid?

600

The gaps between the Schwann cells.

What are the nodes of Ranvier? 

600

The hormone that increases water retention.  

What is antidiuretic hormone?

600

The cavity that opens into both the respiratory and digestive system. 

What is the pharynx?

600

The blood vessel that enters the glomerulus.

What is the afferent arteriole?

600

Arteries that supply cardiac muscle with oxygen.

What are coronary arteries?

600

The term that means half the number of chromosomes and describes gametes.

What is haploid?

600

The process that follows digestion in the small intestine.

What is absorption?

600

The number of tonsils minus the number of spleen.

What is five?