Animal Body Systems

Which type of tissue is primarily responsible for transmitting electrical signals in the body?

• Muscle tissue

• Nervous tissue

• Connective tissue

• Epithelial tissue

What is the main function of the skeletal system in animals?

• To produce hormones

• To provide structural support and protection

• To digest food

• To circulate blood

Which organ system is primarily responsible for removing waste products from the body?

• Respiratory System

• Digestive System

• Excretory System

• Nervous System

How many types of main tissue do most animals, including humans, have?

• 1

• 2

• 56

• 4

What are muscles packed with?

• mitochondria

• RER

• SER

• nuclei

Tags

NGSS.HS-LS1-7

Smooth muscles, like the stomach, work how?

• when we tell them to

• involuntarily

• Only when we think about them

• constantly

What does the skeletal system provide?

• Support

• Protection

• Production and storage of red blood cells

• Fear

Which system in the animal body is responsible for transporting nutrients and oxygen to cells?

• A) Digestive system

• B) Circulatory system

• C) Respiratory system

• D) Nervous system

What is the primary function of the respiratory system in animals?

• A) To break down food

• B) To exchange gases with the environment

• C) To transport blood

• D) To protect internal organs

Which organ system is responsible for producing hormones in animals?

• A) Nervous system

• B) Endocrine system

• C) Digestive system

• D) Circulatory system