Digestive system
Circulatory system
Excretory system
Respiratory system
Muscular system
100

What is digestion

____ is the process by which food is broken down into substances that can be used by the cells of the body

100

What is blood

The word circulation comes from the word circle. The pathway of ____ is circular, flowing from the heart to other organs and back to the heart.

100

What is skin

Heat is given off through the largest organ of the body, the _________.

100

What is the pharynx

From the nose, air then passes through the ______, which is the area behind the nose that leads to the throat.

100

What is a Voluntary Muscle

Muscles can be divided into two main groups. The (blank) are muscles that can be controlled consciously. They move when you think about what you want them to do. For example, muscles in the arms and legs can be controlled when walking or running.

200

What is saliva

This secretion from the salivary glands is called ____.


200

What is the heart

The ____ is the organ that pumps blood throughout the body. Blood carries oxygen and nutrients to cells and carries waste away from the cells.

200

What are the kidneys

As the body breaks down extra proteins, it forms a waste called urea. Salt is also given off as a waste product. Small amounts of urea and slat are released from the skin when you sweat, but most of it is released from the main organs of excretion in the body, called the __________.

200

What is the larynx

The _______ or voice box is located at the bottom of the pharynx.

200

What is a Involuntary Muscle

(Blank) are muscles, such as the heart, that automatically do their jobs without you needing to think about it. These muscles run all the Important jobs inside the body, such as breathing and digestion.

300

What is the esophagus

After being swallowed, the food passes into a muscular tube called the ____, which connects the mouth to the stomach.

300

What is plasma

Blood is made up of several types of cells that are in a liquid called ____, which is mostly water and makes up more than half of the blood.

300

What are urine

The two kidneys are at the back of the body, just above the hips. They form a liquid called _______., which is made up of wastes and water.

300

What is the epiglottis

The _______ is a flap of tissue at the top of the larynx. It prevents food from entering the windpipe by covering the larynx when food is swallowed.

300

What is Skeletal Muscle

There are three main kinds of muscle tissue. Muscle tissue that is attached to and moves the skeleton is called (blank). This type of muscle tissues has stripes is a voluntary muscle.

400

What is the stomach

Food takes about six seconds to travel from the mouth to the ___, a j shaped sac that stores and further digests the food.

400

What are red blood cells

The cells in the blood that carry oxygen are called ____. On average, people have about 20 to 25 trillion of these cells in their bodies. The body produces about 3 million new ones every second to replace those that die.

400

What are nephrons

Each kidney contains millions of tiny tubes called _______which have capillaries wrapped around them. These tiny tubes filter and cleanse the blood and balance the supply of water and salt in the body.

400

What is the trachea

At the bottom of the larynx is the windpipe, as known as the _____.

400

What is Smooth Muscle

(Blank) is the type of muscle tissue found in the walls of many organs and blood vessels in the body. It is a type of involuntary muscle tissue and does not have stripes.

500

What is the pancreas

Pancreatic juice is another digestive juice added in the small intestine. It is produced in the ____.

500

What are white blood cells

Another type of cell in the body helps the body fight disease. These are called ___. They are larger than red blood cells, and they capture bacteria and release chemicals that fight infections.

500

What is a Ureter

Water from the blood goes into the nephrons along with urea, salt, and wastes. Urine forms from these waste products inside of the nephrons and then flows to a collecting area in the kidney. The urine leaves each kidney through a tube called the _________.

500

What is the bronchi

The trachea is divided into two bronchial tubes, called ____, which carry air to each lung.

500

What is Cardiac Muscle

The type of muscle tissue that is found only in the heart is an involuntary muscle tissue called (blank). It is made of a network of striped muscle cells that never stops working.