Parts of the Brain
Parts of a Leaf
Internal Organs
Parts of a Flower
Parts of the Heart
100

This largest part of the brain is divided into two separate hemispheres and is responsible for higher functions such as thought, reason, planning, memory, and sensory integration.

What is the cerebrum?

100

The chloroplasts of a plant leaf are responsible for this food producing process requiring sunlight, water, and carbon dioxide.

What is photosynthesis?

100

This organ is responsible for pumping blood throughout the body.

What is the heart?

100

These typically brightly covered modified leaves compose the majority of a flower and surround the flower's reproductive organs.

What are the petals?

100

This is the number of chambers of the human heart.

What is four?

200

This part of the brain, located at the back of the skull is responsible for coordination and muscular activity.

What is the cerebellum?

200

The waxy cuticle on the upper surface of plant leaves prevents this sunlight induced process of water loss?

What is evaporation?

200

These organs are responsible for the removal of carbon dioxide from the bloodstream and the introduction of oxygen to the bloodstream.

What are the lungs?

200

This commonly yellow powdery substance that often stimulates allergy symptoms is produced by the male reproductive parts of a flower and is carried by wind, insects, or other animals to the female reproductive structures of a flower.

What is pollen?

200

This is the proper name for the lower chambers of the heart responsible for pumping blood to both the lungs and the rest of the body.

What are the ventricles?

300

This part of the brain, often casually referred to as the brain stem is responsible for involuntary functions such as breathing, heart function, digestion, and sneezing to name a few.

What is the medulla?

300

This middle layer of leaf tissue consists of both a spongy layer of cells as well as a tightly packed layer of vertically aligned cells referred to as the palisade layer.

What is the mesophyll?

300

At an average length of 22 feet, this is the longest organ in the human body.

What is the small intestine?

300

This is the proper name for the male reproductive structure of a flower consisting of the anther and filament.

What is the stamen?

300

The bicuspid or "mitral" valve located between the left atrium and the left ventricle consists of this many flaps of tissue.

What is two?

400

This small gland located deep inside the brain is referred to as the "master" gland because of its ability to regulate the function of other endocrine glands of the body.

What is the pituitary gland?

400

These pores typically located on the bottom surface of a leaf open and close to allow the exchange of gases while assisting in the prevention of water loss.

What are the stomata?

400

This small sac-like organ located behind the liver is responsible for storing and concentrating bile produced by the liver.

What is the gall bladder?

400

This is the proper name for the female reproductive structure of a flower consisting of the style, stigma and ovary.

What is the pistil?

400

This largest artery in the body is responsible for carrying oxygenated blood from the left ventricle to the rest of the body.

What is the aorta?

500

This wide band of nerves allows communication between the left and right hemispheres of the brain.

What is the corpus callosum?

500

Plant leaves contain two types of vascular tissue. Phloem that transports the sugars produced during photosynthesis and this tissue responsible for bringing water from the plant roots to the leaves.

What is xylem?

500

This organ acts as part of the endocrine system in its production of insulin and part of the digestive system in its production of several digestive enzymes.

What is the pancreas?

500

These green modified leaves of a plant protect the immature flower until it blooms.

What are the sepals?

500

This is the common, or everyday term, for the sinoatrial node located in the tissue of the right atrium that is responsible for maintaining the rhythmic contractions of the heart.

What is the pacemaker?