Bones and Joints
Muscle Function
Brain Basics
Cells and Tissues
Skin and Hair
100

Hard structures that protect organs

What are bones?

100

Muscles that move bones

What are skeletal muscles?

100

The organ that controls the body

What is the brain? 

100

The basic unit of life

What is a cell?

100

The gland that produces sweat

What is a sweat gland?

200

A joint that allows back-and-forth movement, like the elbow

What is a hinge joint? 

200

The muscle type found in organs

What is smooth muscle?

200

The part of the brain responsible for thinking

What is the cerebrum?

200

The outer boundary of the cell that controls what enters and leaves

What is the cell membrane? 

200

The largest organ in the human body

What is the skin?

300

The type of bone that protects the brain

What are skull bones?

300

The ability to stretch a muscle

What is extensibility?

300

The part of the brain that controls breathing and heart rate

What is the brainstem?

300

Tissue that lines organs and cavities

What is epithelial tissue? 

300

This protein makes skin tough and waterproof

What is keratin? 

400

The structure that cushions bones at joints

What is cartilage? 

400

The ability of a muscle to return to its original shape

What is elasticity?

400

The system that controls voluntary movement 

What is the somatic nervous system?

400

Tissue that supports and protects the body

What is connective tissue? 

400

This type of receptor in the skin allows you to feel heat, cold, and pain

What are sensory receptors?

500

Bones that produce blood cells

What is bone marrow?

500

Muscles that work opposite each other

What are antagonistic muscles?

500

The brain structure that relays sensory information

What is the thalamus?

500

Tissue that allows communication through electrical signals 

What is nervous tissue?

500

The integumentary system helps maintain homeostasis by controlling this

What is body temperature?

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