1/20/26- Review and Continuing Organ Systems

Multiple Choice

Which of the following is considered the smallest unit with the basic properties of life?

• Organ

• Tissue

• Cell

• Organ System

Multiple Choice

Which of the following is an example of a unicellular organism?

• Amoeba

• Human

• Plant

• Dog

Multiple Choice

What is the main difference between unicellular and multicellular organisms?

• Unicellular organisms have only one cell, while multicellular organisms have many cells.

• Unicellular organisms are always larger than multicellular organisms.

• Multicellular organisms do not need cells to function.

• Unicellular organisms can form tissues.

Multiple Choice

Connective tissue protects, supports, and binds parts of the body. Which of the following is NOT a type of connective tissue?

• Blood

• Bone

• Muscle

• Cartilage

Multiple Choice

Which of the following are functions of epithelial tissue?

• Form coverings and linings of surfaces

• Send information throughout the body

• Support and bind body parts

• Store fat

Multiple Choice

Which type of muscle tissue is primarily responsible for movement in the human body?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Connective tissue

Multiple Choice

Which of the following muscles can be controlled voluntarily?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• Abdominal muscle

Multiple Select

Select all statements that correctly describe cardiac muscles.

• They make up the heart.

• They form a net-like structure.

• They are under voluntary control.

• They help move food through the digestive system.

Multiple Select

Which of the following organ systems are we going to be talking about?

• Circulatory system

• Respiratory system

• Digestive system

• Immune system

Multiple Choice

What is the main function of the circulatory system?

• To move blood throughout the body

• To digest food

• To control movement

• To help with breathing

Multiple Choice

Which part of the blood is responsible for carrying water, salts, and enzymes?

• Red blood cells

• White blood cells

• Plasma

• Platelets

Open Ended

Describe the main function of the heart in the circulatory system.

Multiple Choice

Before each beat, your heart fills with blood. What happens next?

• It relaxes and lets blood flow out.

• It contracts to pump the blood along.

• It sends blood to the brain.

• It stops beating for a moment.

Multiple Select

Which of the following are main types of blood vessels in the circulatory system?

• Arteries

• Veins

• Capillaries

• Nerves

Open Ended

Explain how the respiratory system helps remove waste products from the body.