Anatomy
Physiology
Chemistry
Biology
Mixed Category
100

The cranial cavity contains

The brain

100

This is the process by which your body takes in oxygen and gets rid of carbon dioxide

Respiration

100

The first element on the periodic table is

Hydrogen

100

Smallest living unit of structure and function

Cells

100

The gas needed by your cells to help produce energy

Oxygen

200

This organ pumps blood throughout your body

The heart

200

This type of blood cell carries oxygen throughout the body

Red blood cells

200

Water has this chemical formula

H2O

200

Plants use this process to convert light energy into chemical energy

Photosynthesis

200

Blood travels away from the heart through these blood vessels

Arteries

300

This is the largest organ of the human body

The skin

300

This organ filters waste from the blood and produces urine.

The kidneys

300

A substance with a pH below 7 is considered this

Acidic

300

This organelle is often called the “powerhouse of the cell”

Mitochondria

300

This molecule is commonly known as the main energy currency of the cell

ATP 

400

This muscle is primarily responsible for breathing and separates the chest from the abdomen

The diaphragm

400

This hormone helps lower blood sugar levels

Insulin

400

This particle has a negative electrical charge

Electrons

400

This molecule contains the genetic instructions used by living organisms

DNA

400

The movement of molecules from an area of high concentration to an area of low concentration is called this

Diffusion

500

This long bone is found in the thigh

The femur

500

This part of the nervous system controls automatic functions such as heart rate and digestion.

The autonomic nervous system

500

This element makes up much of the structure of proteins and DNA, and its chemical symbol is C

Carbon

500

This process produces two genetically identical daughter cells

Mitosis

500

This protein in red blood cells binds to oxygen and gives blood much of its red color

Hemoglobin