Hormones in humans Flashcards
1
Q
Hormone
A
A substance, produced by a gland and carried by the blood, which alters the activity of one or more specific target organs
2
Q
Gland
A
An organ that creates and secretes hormones
3
Q
Endocrine system
A
the series of glands that make these hormones
4
Q
Target organ
A
An organ affected by a particular hormone
5
Q
Adrenal gland
A
produces adrenaline
6
Q
Pancreas
A
produces insulin
7
Q
Ovary
A
produces estrogen
female sex hormone
8
Q
Testis
A
produce testosterone
male sex hormone
9
Q
Effects of adrenaline
A
- increased pulse rate
(muscles receive more blood, containing glucose) - increased breathing
(cells respire quicker bc of more oxygen) - blood sent away from digestive system
(more blood flows to muscles instead) - liver converts glycogen to glucose
(more glucose available for respiration)
10
Q
How hormonal is different to nervous control
A
- slower
- longer lasting
