Adrenaline - Fight or Flight

Insulin and Glucagon

Human Anatomy (Answers at the bottom of the page)

Main organs: 
1] Heart
2] Arteries
3] Muscles
4] Liver
5] Gallbladder
6] Kidney
7] Skeleton
8] (Large) Intestines
9] Bladder
10] Pancreas
11] Veins
12] Stomach
13] Bone marrow
14] Spleen
15] Lungs
16] Lymph nodes
17] Brain
18] Pharynx
19] Larynx

Male skeleton:
1] Cranium
2] Clavicle
3] Radius
4] Carpels
5] Femur
6] Phalanges
7] Mandible
8] Sternum
9] Vertebrae
10] Patella
11] Scapula
12] Pelvis
13] Ulna
14] Phalanges
15] Tarsels

Nervous system:
1] Central nervous system (CNS)
2] Periferal nervous system
3] Brain
4] Spinal cord
5] Frontal lobe
6] Parietal lobe
7] Temporal lobe
8] Occipital lobe
9] Cerebellum
10] Autonomic
11] Somatic
12] Parasympathetic (rest or digest)
13) Sympathetic (fight or flight)

Endocrine system:
14] Hypothalamus
15] Thyroid gland
16] Pituitary gland
17] Parathyroids
18] Adrenal glands
19] Testis (pl. testes)
20] Pancreas
21] Ovary

Circulatory system:
1] Aortic arch
2] Vena cava
3] Pulmonary artery
4] Vein
5] Artery
6] Heart
7] Aorta
8] Sino-atrial node (SAN)
9] Atrio-ventricalar node (AVN)
10] Atrio-ventriclar bundle
11] Left and right bundles of His
12] Purkinje fibres
13] Left atrium
14] Left ventricle
15] Apex

Digestive system:
1] Salivary glands
2] Liver
3] Gall bladder
4] Pancreas
5] Small intestines (duodenum and ileum)
6] Large intestines
7] Oesophagus
8] Stomach
9] Sphincter (circular muscle)
10] Small intestines

Male reproductive system:
1] Seminal vesicle
2] Rectum (digestive system)
3] Prostate gland
4] Bulbourethral (Cowper's) gland
5] Bladder (urinary system)
6] Symphysis Pubis (Skeletal system)
7] Vas deferens (Sperm ducts)
8] Urethra
9] Epididymis
10] Glans penis
11] Testis (pl. testes)
Female reproductive system
12] Fallopian tube (oviduct)
13] Ovary
14] Uterus (womb)
15] Cervix
16] Fallopian tube
17] ovary
18] Endometrium (lining)
19] Myometrium (muscular wall)
20] Vagina

Urinary (excretory) system:
1] Aorta
2] Renal vein
3] Renal artery
4] Kidney
5] Ureter
6] Bladder
7] Urethra

The skin and lungs are also invoved in excretion.