B11 Hormonal coordination

Question 1

ADH

Answer 1

anti-diuretic hormone helps control the water balance of the body and affects the amount of urine produced by the kidney

Question 2

adrenaline

Answer 2

hormone that prepares the body for flight or fight

Question 3

auxin

Answer 3

a plant hormone that controls the responses of plants to light (phototropism) and gravity (gravitropism)

Question 4

contraception

Answer 4

methods of preventing pregnancy which usually involve preventing the sperm and egg from meeting

Question 5

endocrine system

Answer 5

the glands that produce the hormones that control many aspects of the development and metabolism of the body, and the hormones they produce

Question 6

follicle stimulating hormone (FSH)

Answer 6

causes the eggs to mature in the ovary

Question 7

gibberellins

Answer 7

plant hormones that are important in initiating seed germination

Question 8

glucagon

Answer 8

hormone involved in the control of blood sugar levels

Question 9

gravitropism

Answer 9

the response of a plant to gravity

Question 10

hormones

Answer 10

chemicals produced in one area of the body of an organism that have an effect on the functioning of another area of the body. In animals hormones are produced in glands

Question 11

insulin

Answer 11

hormone involved in the control of blood sugar levels

Question 12

oestrogen

Answer 12

female sex hormone that controls the development of secondary sexual characteristics in girls at puberty, and the build-up and maintenance of the uterus lining during the menstrual cycle

Question 13

ovaries

Answer 13

female sex organs that produce eggs and sex hormones

Question 14

ovulation

Answer 14

the release of a mature egg (ovum) from the ovary

Question 15

phototropism

Answer 15

the response of a plant to light, controlled by auxin

Question 16

pituitary gland

Answer 16

endocrine ‘master gland’ found in the brain that secretes a number of different hormones into the blood in response to different conditions to control other endocrine glands in the body

Question 17

testosterone

Answer 17

the main male sex hormone that controls the male secondary sexual characteristics at puberty and the production of sperm

Question 18

tropism

Answer 18

the responses of plant roots and shoots to environmental stimuli such as light or gravity

Question 19

type 1 diabetes

Answer 19

a disorder where the pancreas fails to produce sufficient insulin

Question 20

type 2 diabetes

Answer 20

a disorder where the body cells no longer respond to the insulin produced by the pancreas