Skeletal & Muscular
Nervous
Circulatory & Respiratory
Digestive & Excretory
Immune
100

Muscles provide the body with stability and protection

True

100

Your nervous system receives, processes, and responds to stimuli in less than a second

True

100

What cells carry oxygen through the body and into its tissues

Red Blood Cells

100

How many bones does the human body have?

206

100

How many chambers does the heart have?

4

200

The tissue in the center of most all bones

Marrow

200

The command center, or coordinator of the nervous system

Brain

200

Bloods vessels that carry blood away from the heart to various parts of the body

Arteries

200

90 Percent of digestion takes place where?

Small Intestine

200

Where does digestion begin?

The Mouth

300

A type of connecting tissue that holds bones to other bones at the joint

Ligaments

300

The brain and the spinal cord

Central Nervous System/CNS

300

Bloods vessels that carry blood from all parts of the body back to the heart

Veins

300

Organs that remove waste material including salts from the blood

Kidneys
300

What natural body defense makes it hard for pathogens to reproduce?

Fever

400

Muscles attached to bones that enables you to move your body

Skeletal Muscle

400

What is another name for your Neurons?

Nerve Cells/Nerves

400

A passageway in your throat that takes air into and out of your lungs

Trachea

400

A digestive gland that secretes bile to help digest fats

Liver

400

Proteins that attach to antigens, keeping them from harming the body

Antibodies

500

Type of muscle found in organs, blood vessels, and glands

Smooth Muscle

500

The nerves that connect the central nervous system to all parts of the body

Peripheral Nervous System/PNS

500

A flap of tissue in the back of your mouth that keeps food out of your trachea

Epiglottis

500

A gland that produces a blend of enzymes that help break down proteins, carbohydrates, and fats

Pancreas

500

Substances that send the immune system into action

Antigens