Human Body Systems Quiz

As the blood reaches the lungs, what is removed from the blood?

• Oxygen

• Red Blood Cells

• White Blood Cells

• Carbon Dioxide

Answer explanation

As blood reaches the lungs, carbon dioxide is removed from the blood and exchanged for oxygen. This process is essential for respiration, allowing the body to eliminate waste gases and take in fresh oxygen.

Which body system's is used for communicating with the body with electrical messengers?

• Endocrine

• Nervous

• Circulatory

• Cardiovascular

Answer explanation

The nervous system communicates with the body using electrical signals called action potentials. This system is responsible for rapid responses and coordination, distinguishing it from the slower hormonal communication of the endocrine system.

The following structures belong to which system? trachea, alveoli, and diaphram

• digestive

• excretory

• respiratory

• circulatory

Answer explanation

The trachea, alveoli, and diaphragm are all components of the respiratory system. The trachea is the windpipe, alveoli are the air sacs for gas exchange, and the diaphragm is a muscle that aids in breathing.

What 3 systems are involved with moving your body?

• endocrine, immune, integumentary

• excretory, digestive, immune

• muscular, circulatory, reproductive

• nervous, skeletal, muscular

Answer explanation

The nervous, skeletal, and muscular systems work together to facilitate movement. The nervous system sends signals to the muscles, the skeletal system provides structure, and the muscular system enables movement.

Which best explains how the muscular system relies on the respiratory system?

• The respiratory system cools the muscular system.

• The respiratory system acts as the support system for the muscular system.

• The respiratory system brings oxygen into the body for the muscular system to use.

• The respiratory system provides nutrients for the body to use as fuel.

Answer explanation

The correct choice explains that the respiratory system brings oxygen into the body, which is essential for the muscular system to produce energy during physical activity. Without oxygen, muscles cannot function effectively.

Which system carries blood to and from body cells?

• muscular

• circulatory

• skeletal

• respiratory

Answer explanation

The circulatory system is responsible for transporting blood to and from body cells, delivering oxygen and nutrients while removing waste products. The other systems listed do not perform this function.

Which organ pumps blood throughout your body?

• cell

• brain

• tissue

• heart

Answer explanation

The heart is the organ responsible for pumping blood throughout the body, supplying oxygen and nutrients to tissues and removing waste products. The other options, such as brain, tissue, and cell, do not perform this function.

When cells with the same function join together with other cells, they form ________

• Cells

• Systems

• Tissues

• Body (Organism) 

Answer explanation

When cells with the same function group together, they form tissues. Tissues are the building blocks of organs, while cells and systems refer to different biological levels, and 'Body (Organism)' is a broader term.

How does the muscular system depend on the nervous system?

• The nervous system transports blood to the muscles.

• The nervous system provides support for the muscles.

• The nervous system supplies food and oxygen to the muscles.

• The nervous system sends signals to the muscles to cause movement.

Answer explanation

The correct answer is that the nervous system sends signals to the muscles to cause movement. This communication is essential for muscle contraction and coordination, enabling the body to perform various physical activities.

The following structures belong to which system? bones, joints, skull, ribs, femur

• circulatory

• integumentary

• skeletal

• muscular

Answer explanation

The structures listed, such as bones, joints, and the skull, are all components of the skeletal system. This system provides support, protection, and structure to the body, making 'skeletal' the correct answer.