Test Chapter 3: 7th Grade

What is the basic unit of structure and function in the human body?

• Tissue

• Organ

• Cell

• Organ system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Which type of tissue is responsible for carrying electric signals to and from the brain?

• Muscle tissue

• Nerve tissue

• Connective tissue

• Epithelial tissue

Identify the organ system that includes the kidneys.

• Respiratory system

• Digestive system

• Excretory system

• Circulatory system

Which of the following systems is responsible for transporting nutrients and waste products in the body?

• Nervous system

• Circulatory system

• Respiratory system

• Digestive system

Explain how the nervous and endocrine systems interact to maintain homeostasis.

• The nervous system sends electrical signals, while the endocrine system releases hormones to regulate body functions.

• The endocrine system sends electrical signals, while the nervous system releases hormones to regulate body functions.

• Both systems release hormones to regulate body functions.

• Both systems send electrical signals to regulate body functions.

Tags

NGSS.HS-LS1-3

Which part of the brain is responsible for controlling involuntary actions like breathing?

• Spinal cord

• PNS/Peripheral Nervous System

• ANS/autonomic Nervous System

• spinal cord

Describe the role of red blood cells in the circulatory system.

• They fight disease and infection.

• They transport oxygen and carbon dioxide.

• They help in blood clotting.

• They carry hormones throughout the body.

What is the main function of the alveoli in the respiratory system?

• To filter air entering the lungs

• To exchange gases between air and blood

• To produce mucus

• To transport air to the bronchi

Tags

NGSS.HS-LS2-3

How do the kidneys contribute to the excretory system?

• They produce hormones to regulate blood sugar.

• They filter blood and regulate water balance.

• They break down food into nutrients.

• They transport oxygen to cells.

Which nutrient is primarily used by the body for LONG TERM energy storage?

• Carbohydrates

• Proteins

• Fats

• Vitamins