Circulatory and Respiratory Systems

What is the function of platelets in the circulatory system?

• To transport oxygen throughout the body.

• To aid in blood clotting and prevent excessive bleeding.

• To regulate body temperature.

• To fight against infections and diseases.

What is the primary function of white blood cells?

• To transport oxygen throughout the body.

• To fight infections and play a role in the immune response.

• To aid in digestion and nutrient absorption.

• To regulate body temperature.

What is the role of the sinoatrial node in the heart?

• To act as the natural pacemaker, initiating the heartbeat and regulating the heart rate.

• To pump blood to the lungs for oxygenation.

• To receive deoxygenated blood from the body.

• To control the contraction of the ventricles.

Tags

NGSS.HS-LS1-3

What is the name of the valve that prevents backflow of blood from the right ventricle to the right atrium?

• Mitral Valve

• Aortic Valve

• Tricuspid Valve

• Pulmonary Valve

What system is responsible for gas exchange in the body?

• Digestive System

• Circulatory System

• Respiratory System

• Nervous System

What is the process of gas exchange in the lungs called?

• Respiration

• Photosynthesis

• Digestion

• Circulation

Tags

NGSS.HS-LS1-7

What is the main function of the heart in the circulatory system?

• To filter toxins from the blood

• To pump blood throughout the body, supplying oxygen and nutrients while removing waste.

• To produce hormones that regulate blood pressure

• To store blood for emergencies

What is the main function of the circulatory system?

• To transport blood, nutrients, gases, and waste throughout the body.

• To provide structural support to the body.

• To facilitate the exchange of oxygen and carbon dioxide in the lungs.

• To regulate body temperature and maintain homeostasis.

What element is essential for hemoglobin to function properly?

• Copper

• Zinc

• Iron

• Magnesium

What is the name of the large blood vessel that carries oxygenated blood from the heart to the rest of the body?

• Aorta

• Pulmonary Artery

• Superior Vena Cava

• Coronary Artery