Word Parts &
Body Directions
Skin Squad
Bone Zone
Muscle Mania
Body System
Power Trio
Waste, Food & Defense
100

A patient is described as having “no pulse.” The prefix that means “not” or “without” is this.

a-

100

This body system is your outer protection team: skin, hair, nails, and glands.

Integumentary system

100

The adult human skeleton contains this many bones.

206

100

A muscle cell has a more athletic name — it is also called this.

Muscle Fiber

100

Hormones are not texts, emails, or Snapchats — they are this type of body messenger.

Chemical Messengers

100

This tiny kidney unit does the filtering work and helps form urine.

Nephron

200

If a doctor says something involves an “arthr-” problem, this body structure is probably involved.

Joint

200

These two main skin layers work together: one on the outside and one underneath with blood vessels and nerves.

Epidermis and Dermis

200

Bone may seem rock-like, but it is actually classified as this type of tissue.

Connective Tissue

200

This strong connective tissue attaches a muscle to a bone so movement can happen.

Tendon

200

These two pancreatic hormones work like opposite teammates to help regulate blood sugar.

Insulin and Glucagon

200

These two tubes are the “urine highways” from the kidneys to the bladder.

Ureters

300

A lab report mentions an erythrocyte. The suffix “-cyte” tells you it is this.

Cell
300

This pigment is like your skin’s built-in sunscreen because it helps protect against UV rays.

Melanin

300

On a long bone, this is the long shaft area between the two ends.

Diaphysis

300

This tiny repeating unit is where muscle contraction actually happens.

Sarcomere

300

This blood vessel type is the “exit road” that carries blood away from the heart.

Artery

300

This enzyme in saliva starts breaking down starch before food even reaches the stomach.

Salivary Amylase

400

Your ears are located in this direction compared to your nose.

Lateral

400

These sweat glands are the MVPs of cooling you down when your body overheats.

 Eccrine sweat glands

400

These “builder” bone cells make osteoid and help form new bone tissue.

Osteoblasts

400

During a muscle contraction, this thick myofilament does the pulling.

Myosin

400

This powerful heart chamber sends oxygen-rich blood into the aorta for delivery to the body.

Left Ventricle

400

Before pathogens get to the fancy immune responses, they first have to get past this first line of defense.

Surface Barriers

500

A magician “cuts” the body into left and right sections. This is the anatomical plane being used.

Sagittal Plane

500

This skin layer does not have its own blood vessels, so it depends on nearby capillaries for nutrients.

Epidermis

500

This group of vertebrae attaches to the ribs.

Thoracic vertebrae

500

This is the “meeting place” where a motor neuron communicates with a muscle fiber.

Neuromuscular Junction

500

These tiny air sacs are where oxygen enters the blood and carbon dioxide leaves it.

Alveoli

500

These lymphocytes handle cell-mediated immunity instead of making antibodies.

T cells