Which organ breaks down fats?

• bladder

• diaphragm

• liver

• pancreas

Match the labels to the correct area of the digestive system.

a

b

c

d

B. Liver

A. esophagus

C. Small intestine

D. Stomach

What are 2 main functions of the SKELETAL system?

Which of the following attaches muscles to the bones of the skeleton?

• cartilage

• ligaments

• joints

• tendons

Which statement describes how the body absorbs nutrients?

• nutrients travel along neurons to cells of the body.

• Nutrients pass into the capillaries of the villi.

• Nutrients travel along the spinal cord to the organs of the body.

• Nutrients are pulled into the body when the diaphragm expands.

How are the circulatory and respiratory system related?

Match the following

• Filters waste from blood

• Skin

• Carries food from mouth to the stomach

• Bones

• Control center of the nervous system

• Kidneys

• Surrounds and protects internal organs

• Esophagus

• Supports the body

• Brain

Which structures would most likely respond to a person who is running a 5-K race?

• A & C

• B & C

• A & B

• B & D

Which statement best describes the blood that enters the heart from the lungs?

• Blood is oxygen-rich

• Blood contains carbon dioxide

• Blood comes from the lungs

• Blood flows through a vein