Grade 4/5 Human Body Test

Match the following key terms from the digestive system to their matching definition.

• Liver

• This organ produces bile that helps break down proteins.

• Esophagus

• Food leaves the stomach and enters this organ.

• Large Intestine

• Food is moved down this long tube on its way to the stomach.

• Stomach

• This organ is responsible for removing left over water from the food.

• Small Intestine

• Food is churned up and broken down by strong acids in this organ.

Match the following key terms from the circulatory system with their definitions.

• White Blood Cells

• These cells help to fight infections in the blood.

• Platelets

• This part of the blood makes up the largest portion of the blood and is yellow in color.

• All of the above.

• These are produced in the bone marrow.

• Red Blood Cells

• These cells carry oxygen throughout the body and remove carbon dioxide.

• Plasma

• These cells are important in clotting the blood, and healing cuts and tears.

When we breath, we take in ​ ​ (a)   . When we breath out, we expel ​ (b)   .

• oxygen
• carbon dioxide
• gas
• air
• bad breath

Identify the organs in the digestive system.

a

b

c

d

e

Alveoli

Small Intestine

Stomach

Coronary Artery

Liver

Large Intestine

Esophagus

Identify the main parts of the respiratory system shown in the image.

a

b

c

d

e

Alveoli

Bronchi

Capillaries

Arteries

Lungs

Veins

Trachea

Bronchioles

​ (a)   move oxygenated blood away from the heart. ​

Deoxygenated blood returns to the heart through the ​ (b)   .

The smallest type of blood vessel is the ​ (c)   which deliver oxygen to tissues and cells.

• Arteries
• veins
• capillaries
• oxygen
• carbon dioxide

Identify the parts of the heart.

a

b

c

d

e

f

Right Atrium

Bronchus

Alveoli

Left Ventricle

Left Atrium

Bronchioles

Capillaries

Aorta

Right Ventricle

Vena cava

Label the flow of blood through the heart.

a

b

c

d

e

f

FROM BODY TO HEART

TO LUNGS

FROM LUNGS

TO BODY

OXYGEN POOR SIDE

OXYGEN RICH SIDE

Which part of the digestive system removes the nutrients from the food we eat?

• large intestine

• esophagus

• small intestine

• gall bladder

What is the role of the small intestine?

• Absorbs nutrients from the food and sends nutrients to the blood.

• Absorbs water from the food waste and gets rid of food waste from the body.

• Moves the food from the mouth to the stomach.

• Churns the food and breaks it down with acid.

Tags

NGSS.MS-LS2-1