Excretion and Homeostasis

Question 1

Homeostasis

Answer 1

The ability of an organism to maintain a constant internal environment

Question 2

Endotherm

Answer 2

Have a constant internal temperature despite external conditions

Question 3

Ectotherms

Answer 3

Do not have a constant internal temperature and rely on their environment for heat

Question 4

Excretion

Answer 4

The removal of metabolic waste from cells in the body

Question 5

Piloerection

Answer 5

Erector muscles reacting causing our hair to stand up

Question 6

Vasoconstriction

Answer 6

Blood vessels in the skin contract

Question 7

perspiration

Answer 7

Sweat produced is evaporated from skin, cooling us

Question 8

Vasodilation

Answer 8

Blood vessels expand which increases heat loss

Question 9

Osmosis

Answer 9

The movement of water particles from an area of high concentration to an area of low concentration across a semi permeable membrane

Question 10

Diffusion

Answer 10

The movement of particles from an area of high concentration to an area of low concentration- passive

Question 11

Active Transport

Answer 11

the movement of particles from an area of low concentration to an area of high concentration- requires energy