Human Body
Cell & Enzyme
Nutrition
Nervous System
Eye & Ear
100

This system includes the heart and blood vessels, responsible for pumping blood throughout the body. 

What's it?

Circulatory System

100

This organelle is known as the "powerhouse of the cell" because it produces energy

mitochondrion

100

This macronutrient is the body's primary source of energy and is found in foods like bread, rice, and pasta.

Carbohydrate

100

Smallest unit of nervous system

neuron

100

This part of the eye controls the amount of light that enters by adjusting the size of the opening in the center.

pupil

200

This is an organ part of the digestive system and is responsible for absorbing nutrients from food.

small intestine

200

 This jelly-like substance fills the cell and holds the organelles in place

cytoplasm

200

This nutrient, which includes foods like beans, nuts, and seeds, is essential for building and repairing tissues in the body.

protein

200

This part of the brain controls basic life functions such as breathing and heart rate.

brain stem

200

This clear, dome-shaped surface of the eye helps focus light as it enters.

cornea

300

This organ, located in the chest, is responsible for exchanging oxygen and carbon dioxide in the respiratory system.

lungs

300

These biological molecules are catalysts that speed up chemical reactions in the body, often by lowering the activation energy needed: spell the answer

E N Z Y M E

300

This mineral is important for maintaining strong bones and teeth, and can be found in dairy products, leafy greens, and fortified foods.

Calcium

300

this structure surround axons to insulate them

myelin sheath

300

This part of the ear collects sound waves and funnels them toward the eardrum.

pinna

400

This organ is part of the excretory system and filters blood to produce urine.

kidneys

400

What's the function of enzymes?

Work as a catalyst.

400

This vitamin is essential for the formation of red blood cells and can be found in foods like citrus fruits and leafy greens.

vitamin C

400

Where are neurotransmitters located before release?

vesciles.

400

the 2 kinds of light-sensitive receptor cells on the retina: name them. 

rods and cones.

500

This organ, part of the endocrine system, produces insulin to regulate blood sugar levels: Spell this organ

Pancreas

500

All the enzyme-controlled chemical reactions within a cell or body is called___________.

Metabolism

500

If one person's BMI is over 30, give an adjective to describe this person.

Obese.

500

This structure, found at the base of the brain, regulates many functions like hormone release, hunger, and thirst, and plays a key role in maintaining homeostasis.

Hypothalamus

500

Tell the function of Cochlea.

Detect sounds, receptor cells in the cochlear transform wave signals to electrical impulses.