Joints and muscles
The ear and sound
The heart and lungs
The eyes and light
Reproductive systems
100
The opposite of muscle flexion

What is extension?

100

Another term for the tympanic membrane

What is the eardrum?

100

Smallest blood vessel

What are capillaries?

100

Define the cornea

What is the thin, transparent layer that covers the pupil and iris?

100

Name for the three parts of pregnancy

What are trimesters?

200

Example of a ball-and-socket joint

What is a hip (or shoulder)?

200

How sound is transferred through the ear

What is vibration?

200
Number of chambers in the heart
What is 4?
200
Controls light entering the pupil

What is the iris?

200

When the uterine wall is the thinest

What is the menstrual cycle?

300

Example of an immovable joint

What is the skull?

300

How sound is measured

What is the decibel scale?

300

True or false: veins have thicker walls than arteries

What is false?

300

Cells that allow humans to see color

What are cones?

300

Helps the egg moves down the Fallopian tubes

What is cilia?

400

Connects bones to muscles 

What are tendons?

400

The amount of energy a sound wave carries

What is amplitude?

400

The vessels that carry oxygenated blood from the lungs to the heart

What are the pulmonary veins?

400

The point at which all beams of light converge

What is the focal point?
400

Gland that is exclusive to male-bodied people

What is the prostate?
500

A strong, flexible tissue that reduces friction between bones

What is cartilage?

500
Hearing loss that is not permanent 

What is conductive hearing loss?

500

Sack-like structures in the lungs that are the site for oxygen/carbon dioxide exchange

What are alveoli?

500

When a material causes light rays traveling in one direction to travel in all different directions

What is scattering?

500

Where sperm is produced

What are the seminiferous tubules?