A Growing and Changing Body

A reflex action involves the spinal cord but not the

• tendons
• neurons
• brain
• ligaments

The acids in your ___________ break down food.

• stomach
• alveoli
• nephron
• trachea

The stomach, pancreas, and small intestine are parts of the ____________ system.

• respiratory
• endocrine
• circulatory
• digestive

As you grow, the way your body, talents, and other traits develop depends on heredity and your ________________.

• alveoli
• environment
• diaphragm
• nephrons

Which blood vessel takes blood away from the heart?

• veins
• alveoli
• arteries
• lungs

Cells that look alike and work together make up a(n) ________________.

• organ
• system
• tissue
• organism

Which of the following is NOT part of the circulatory system?

• heart
• veins
• lungs
• capillaries

Strong, flexible bands of tissue that attach muscle to bone

• tendons
• ligaments
• joints
• neurons

Chemicals that are made by your body

• hormones
• heredity
• ligaments
• joints

These filter out waste and excess water in the kidney

• capillaries
• nephrons
• veins
• arteries