Unit 7 Review

Which organ system produces white blood cells to destroy pathogens (germs) and red blood cells to carry oxygen?

• circulatory system

• respiratory system

• skeletal system

• nervous system

Identify the basic building block of all living organisms that forms the structure of tissues and organs.

(a)  

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

The epiglottis is a flap of cartilage in the throat that covers the trachea while swallowing. It must uncover the trachea to allow ________ to occur.

• respiration

• digestion

• circulation

• excretion

Which muscle type is primarily involved in the movement of the skeleton?

• smooth

• cardiac

• skeletal

• digestive

A reflex does not involve which of the following?

• brain

• spinal cord

• sensory neuron

• motor neuron

Which term describes the maintenance of constant internal conditions in an organism?

• Metabolism

• Homeostasis

• Osmoregulation

• Thermoregulation

What part of the brain is primarily responsible for coordinating movement and balance?

• hypothalamus

• cerebellum

• amygdala

• hippocampus

Which type of muscle makes up the heart?

• cardiac

• skeletal

• smooth

• voluntary

Which part of the human heart is primarily responsible for pumping oxygenated blood to the body?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

Which type of muscle is primarily involved in voluntary movements?

• Smooth

• Cardiac

• Skeletal

• Stomach