Endocrine
Digestive
Circulatory
Nervous
Respiratory
100

What is the chemical released from glands?

Hormones.

100

What causes chemical digestion in the mouth?

Saliva

100

What is the major organ that pumps blood?

Heart.

100

What do nerves transmit with?

Neurons.

100

What is the main organ of the respiratory system?

Lung.

200

How many glands are there in the human body?

5.

200

Where are nutrients absorbed?

Small intestine.

200

What blood cells carry oxygen?

Red.

200

True or false? Signals are active transport.

True.

200

What are the air sacs called in the lungs?

Alveoli

300

True or false? Any hormone can be received by any  target cell.

false.

300

Where is water absorbed?

Large intestine.

300

What blood vessels does diffusion happen in?

Capillaries.

300

What organs/structures are apart of the central nervous system?

Spinal cord and brain.

300

What gas does the human body need to survive?

Oxygen.

400

What gland regulates blood sugar?

Pancreas.

400

What is in the lining of the small intestine?

Villi.

400

What carries blood away from the heart?

Arteries.

400

What cell receives information from the outside world?

Sensory neuron.

400

What gas is a toxic byproduct of cellular respiration?

Carbon dioxide.

500

What gland responds to stress?

Adrenal gland.

500

What is the passageway between the mouth and the stomach?

Esophogus.

500

What allows red blood cells to carry oxygen?

Hemoglobin.

500

What happens in the nervous system when you have a reflex?

The information is received in the spinal cord and immediately triggers a muscular neuron to react. 

500

What is the process where gases go into capillaries?

Simple diffusion.