What is the basic unit of a plant?
Cell
What part of a plant is usually found underground?
Root
What organ begins the digestion of food?
Mouth
What organ pumps blood around the body?
Heart
What is the smallest unit of life?
Cell
What plant organ supports the leaves and transports materials?
Stem
What plant organ usually makes food through photosynthesis?
Leaf
What organ produces bile that helps digest fats?
Liver
What is the largest internal organ?
Liver
What do we call a group of similar cells working together?
Tissue
What plant organ contains the structures needed for reproduction?
Flower
What plant organ develops from the ovary after fertilization and may contain seeds?
Fruit
What tubes carry blood back toward the heart?
Veins
What tubes carry blood away from the heart?
Arteries
What do we call a group of tissues working together?
Organ
What organelle gives plant cells their green color?
Chloroplast
What structure surrounds and gives support to a plant cell?
Cell wall
What cells carry electrical messages in the nervous system?
Neurons
What tiny blood vessels connect arteries and veins?
Capillaries
Which is larger: a cell, a tissue, or an organ?
Organ
The plant tissue that transports water from roots to leaves.
Xylem
What is the natural green pigment found in plants?
Chlorophyll
What organ is called the voice box that helps produce sound?
Larynx
What passage carries air from the throat toward the lungs?
Trachea
What is the longest bone in the human body?
Femur