circulatory
digestive
exerectory
respiratory
photosynthesis
100

a blood cell that fights disease.

White blood cells

100

the organic process by which food is converted into substances that can be absorbed into the body.

digestion

100

the process by which wastes are removed.

excretion

100

A pathway for oxygen to enter the lungs. Lined with hair and mucus to help filter larger particles from the air we breathe.

Nose

100

A process plants use to turn sunlight into food

photosynthesis

200

a cell in the blood that takes up oxygen in the lungs and delivers it to cells elsewhere in the body.

red blood cells

200

the process of absorbing nutrients into the body after digestion?

absorption

200

other organs of the excretory system that remove carbon dioxide, sweat, urea, and bile

lungs, skin, and liver

200

the open area behind the nose that is lined with cilia, mucus, and capillaries. This helps to filter, moisten, and warm the air we breathe.

Nasal Cavity

200

A gas that plants release during photosynthesis

oxygen

300

blood vessels that carry blood back to the heart?

veins

300

What system has these functions digestion, absorption, and elimination?

functions of the digestive system.

300

the major job of the excretory system?

to collect the waste produced by cells and remove them from the body.

300

An organ that allows oxygen to get to the blood and helps remove waste gasses such as carbon dioxide.

Lungs

300

 an organism that cannot make its own food is called a?

heterotroph

400

the muscular organ that pumps blood throughout the body muscular organ that pumps blood throughout the body?

Heart

400

throat; passageway for food to the esophagus and air to the larynx

pharynx

400

Substances the excretory system eliminates from the body.

urea, water, carbon dioxide, and salt.

400

Sheet of muscle beneath the lungs that contracts and relaxes which changes the air pressure in the chest cavity to move gasses into and out of the lungs?

diaphragm

400

the green coloring in leaves and other green parts of a plant?

chlorophyll

500

each of the two lower chambers of the heart that pumps blood out of the heart

atrium

500

an enlarged and muscular saclike organ of the alimentary canal that carries food.

stomach

500

How do kidneys regulate water in the body?

The kidneys maintain homeostasis depending on the conditions inside the body.

500

Clusters of thin-walled sacs surrounded by capillaries allow for quick exchange of oxygen and carbon dioxide. (known as air sacs)

Alveoli

500

the process by which cells breakdown molecules to release energy without using oxygen?

fermentation