Exploring Body Systems

What is the main function of the skeletal system?

• To facilitate digestion and nutrient absorption.

• To regulate body temperature.

• The main function of the skeletal system is to provide support and protection for the body.

• To produce hormones for the body.

How many bones are in the adult human body?

• 210

• 206

• 198

• 204

What type of muscle is found in the heart?

• Skeletal muscle

• Striated muscle

• Cardiac muscle

• Smooth muscle

What is the primary function of the muscular system?

• Protecting internal organs.

• Producing hormones for growth.

• Facilitating movement of the body.

• Regulating body temperature.

Which organ is responsible for breaking down food in the digestive system?

• Liver

• Stomach

• Pancreas

• Intestines

What is the role of the diaphragm in the respiratory system?

• The diaphragm plays a crucial role in breathing by contracting and relaxing to facilitate airflow in and out of the lungs.

• The diaphragm acts as a barrier to prevent air from entering the lungs.

• The diaphragm is responsible for pumping blood throughout the body.

• The diaphragm helps in digestion by moving food through the stomach.

What are the main components of the circulatory system?

• Heart, blood vessels, blood

• Brain, spinal cord, nerves

• Kidneys, liver, pancreas

• Lungs, trachea, alveoli

How does oxygen enter the bloodstream?

• Oxygen enters the bloodstream through the alveoli in the lungs.

• Oxygen is transported by red blood cells from the liver.

• Oxygen is absorbed through the skin.

• Oxygen enters the bloodstream via the stomach.

What is the function of neurons in the nervous system?

• To provide structural support to the brain.

• The function of neurons is to transmit information throughout the nervous system.

• To produce hormones for the body.

• To filter toxins from the blood.

Which body system helps protect internal organs?

• Skeletal system

• Nervous system

• Circulatory system

• Digestive system