Living Things Review

Cells

100

This is a rigid structure around a plant cell.

Cell Wall

200

This organelle holds all of a cell's DNA

Nucleus

300

This is the name of organisms with only 1 cell

Unicellular 

400

This organelle is found in both plant and animal cells, but is much larger in plant cells. 

Vacuole 

500

This organelle is found only in plant cells

Chloroplasts 

Muscle/Skin/Bone

100

Muscles always _____ never ______

pull never push

200

This is where red blood cells are made

Bone Marrow

300

This is the outer layer of the skin, made only of dead skin cells

Epidermis

400

Muscles pull on bones with what structure

Tendons

500

Skin helps accomplish homeostasis by 

Sweating when our body temperature gets too warm. 

Circulatory/Respiratory

100

Blood cells carry what 3 things to other cells

O_2, Nutrients, Hormones

200

In the lungs O₂ is exchanged for what gas?

CO₂

300

These vessels always lead towards the heart

Veins

400

These vessels always lead away from the heart

Arteries

500

The circulatory system, and respiratory system work together to accomplish homeostasis, during exercise, by

increasing the amount of O₂ that gets into our body.

Digestive

100

Our teeth accomplish this type of digestion

Mechanical Digestion

200

Our stomach acid breaks our food down into....

molecules (nutrients)

300

Nutrients are absorbed from our food in this organ

Small Intestine

400

Our saliva starts the digestion of this substance

Carbohydrates 

500

This accessory organ releases bile which helps break down fat

Gallbladder 

Final Jeopardy

500

This is the largest artery in the human body

Aorta