The video tutorial introduces the concept of organs and systems in the human body, explaining how they work together to maintain homeostasis. It covers the main organ systems, including the skeletal, muscular, integumentary, nervous, endocrine, circulatory, immune, respiratory, digestive, and excretory systems. The tutorial also discusses body cavities and their protective roles. The lesson concludes with a summary and a preview of the next topic, focusing on the skeletal and muscular systems.

How many organs are present in the human body?

• 50

• 78

• 100

• 65

What is the role of the pancreas in multiple systems?

• Secretes gastric juices and hormones

• Filters blood

• Produces insulin only

• Regulates temperature

Tags

NGSS.MS-LS1-3

Which system includes the skin, hair, nails, and glands?

• Nervous system

• Integumentary system

• Skeletal system

• Muscular system

What is the primary function of the skeletal system?

• To digest food

• To regulate temperature

• To secrete hormones

• To support and protect the body

Which muscles are controlled voluntarily?

• Cardiac muscles

• Glandular muscles

• Skeletal muscles

• Smooth muscles

What does the nervous system use to send messages?

• Oxygen

• Electrical impulses

• Hormones

• Blood cells

What does the endocrine system primarily secrete?

• Hormones

• Electrical impulses

• Oxygen

• Blood

Which system expels carbon dioxide from the body?

• Respiratory system

• Excretory system

• Circulatory system

• Digestive system

What is the main function of the excretory system?

• To fight infections

• To provide nutrients

• To circulate blood

• To remove liquid waste

Which body cavity contains the heart and lungs?

• Pelvic cavity

• Abdominal cavity

• Cranial cavity

• Thoracic cavity