The video provides a comprehensive review of homeostasis, feedback mechanisms, thermoregulation, and the nervous system. It explains how homeostasis maintains body temperature through sweating and shivering, and distinguishes between negative and positive feedback. The video also covers thermoregulation adaptations in animals, the structure and function of the nervous system, neuron action potentials, and neurotransmitters. Finally, it discusses the brain's structure and functions.

What is the primary function of sweating in humans?

• To increase blood flow

• To remove toxins from the body

• To cool down the body

• To hydrate the skin

Tags

NGSS.HS-LS1-3

Which part of the brain is responsible for regulating body temperature?

• Brainstem

• Cerebrum

• Hypothalamus

• Cerebellum

Tags

NGSS.HS-LS1-3

What is the term for maintaining a stable internal environment in the body?

• Thermoregulation

• Homeostasis

• Metabolism

• Osmoregulation

Tags

NGSS.HS-LS1-3

Which feedback mechanism is described as 'more gets you less'?

• Positive feedback

• Negative feedback

• Neutral feedback

• Cyclic feedback

Which type of animal relies on external sources of heat to regulate its body temperature?

• Endothermic

• Ectothermic

• Homeothermic

• Poikilothermic

What is an example of a circulatory adaptation for thermoregulation?

• Metabolic heat production

• Shivering

• Counter-current heat exchange

• Sweating

Tags

NGSS.HS-LS1-3

Which system includes the brain and spinal cord?

• Peripheral nervous system

• Central nervous system

• Somatic nervous system

• Autonomic nervous system

What is the function of dendrites in a neuron?

• Receive signals

• Produce neurotransmitters

• Transmit messages

• Store information

What is the term for the space between two neurons where neurotransmitters are released?

• Synapse

• Myelin sheath

• Dendrite

• Axon

Which neurotransmitter is known for its role in the reward and pleasure system?

• Acetylcholine

• Dopamine

• Serotonin

• Epinephrine