Skeletal
Immune
Nervous
Digestive
Directional terms
100

What is bone marrow

Soft tissue inside bones

100

Which organ filters blood and helps fight off infections?

Spleen

100

What part of the neuron receives the message?

Dendrite

100

What is the role of saliva?

Starts chemical digestion of carbohydrates

100

The heart is more ______ to the lungs.

Medial

200

What is the function of red blood marrow?

Make blood cells

200

What are pathogens?

Disease-causing organism

200

What part of the neuron sends messages away?

The axon

200

Where is bile located?

Liver

200

What term could describe the tail of dolphin?

Dorsal

300

How do bones maintain mineral balence?

Store and release minerals

300

What do antibodies do?

Bind to specific pathogens

300

What chemical sends signals between neurons?

Neurotransmitter

300

What is the function of bile?

To break down fats

300

The shoulder blades are ______ to the chest.

Posterior

400

Why are bones considered living tissue?

They grow and repair

400

What immune cells destroy infected cells directly?

T-cells

400

What is the synapse?

Gaps between neurons

400

How do enzymes help digestion?

They speed up chemical breakdown of food

400

The elbow is _____ to the wrist.

Proximial

500

What cell breaks down old bone tissue?

Osteoclasts

500

How does the immune system recognize a pathogen it has seen before?

Memory cells can remember it

500

What happens at a synapse?

Single pass between neurons

500

How does the pancreas help with digestion?

Releases digestive enzymes into the small intestine

500

The skin is ______ to the muscles

Superficial

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