Biology Review Unit 1 Homeostasis

Homeostasis is the maintenance of what kind of internal environment?

• A) A highly variable internal environment

• B) A relatively stable internal environment

• C) An unstable internal environment

• D) A constantly changing external environment

Tags

NGSS.HS-LS1-3

Which body system controls growth and homeostasis by secreting hormones from glands?

• A) Digestive system

• B) Respiratory system

• C) Endocrine system

• D) Circulatory system

Tags

NGSS.HS-LS1-3

What are specialized cells that produce hormones and release them into the bloodstream called?

• A) Neurons

• B) Red blood cells

• C) White blood cells

• D) Glands

What are the main divisions of the nervous system?

• A) Peripheral and central

• B) Sympathetic and parasympathetic

• C) Autonomic and somatic

• D) Sensory and motor

Which neurons carry messages from the brain to the body?

• A) Sensory neurons

• B) Interneurons

• C) Motor neurons

• D) Relay neurons

Which neurons carry messages from the body to the brain and spinal cord?

• A) Sensory neurons

• B) Interneurons

• C) Motor neurons

• D) Relay neurons

Nerve cells use which of the following to communicate with each other?

• A) Chemical signals

• B) Electrical impulses

• C) Sound waves

• D) Light signals

The "cause" for something to happen is the

• response
• effect
• stimulus
• homeostasis

Tags

NGSS.HS-ESS3-1

NGSS.HS-PS2-5

What is the stimulus in the blood clotting model?

• Clotting occurs from platelets

• Break or tear in blood vessel wall

• Clotting proceeds until break is sealed by clot

• Released chemicals attract more platelets.

Tags

NGSS.HS-LS1-3

What is the response in the blood clotting model?

• Clotting occurs from platelets

• Break or tear in blood vessel wall

• Released chemicals stop the release of more platelets

• Released chemicals attract more platelets.

Tags

NGSS.HS-LS1-3