Thermoregulation for CSEC Biology

Select three ways you body can lose heat

• Evaporation of sweat

• Warm air exhaled out

• Hairs becoming erect

• Vasodilation

What happens to the rate of an enzyme reaction as the enzyme is heated up?

• Increases

• Decreases

• Increase and then decreases

• decreases and then increases

What happens if your core body rises above 40^oC?

• Hyperthermia

• Hypothermia

• Hypertonic

• Hypotonic

Tags

NGSS.HS-LS1-3

Which progress produces heat in every living cell?

• digestion

• respiration

• protein synthesis

• photosynthesis

How is heat transferred around the body?

• Blood

• Water

• Sweat

• Skin

Why is the bodies core temperature 37^oC?

• Optimum temperature for enzymes

• No specific reason

• To limit the enzymes rate of reaction

• Its not 37^oC

Tags

NGSS.HS-LS1-3

Which organ of the body produces the most heat?

• The brain

• The small intestine

• The heart

• The liver

What is homeostasis?

• The maintenance of a constant internal environment

• The maintenance of a constant external environment

• The maintenance of an inconstant internal environment

• Negative feedback

Tags

NGSS.HS-LS1-3

An animal that can regulate its own internal temperature is a what?

• Endotherm

• Ectotherm

What would a reptile do in order to warm itself up?

• bask or lay out in the sun

• eat some food

• shiver

• move around