The Endocrine andReproductive System

What is the Endocrine System?

• A system of glands that uses hormones to control many parts of your body.

Chemical Messengers

• Hormones are chemical messengers that send messages to different parts of your body.

• Hormones are made by glands, and then released into the bloodstream.

• Once the Hormone finds its ‘Target’, the target tissue will respond.

Glands of the Endocrine System

• Pituitary Gland-–Location- Inside the

brain.–Function- Makes

hormones that affect growth and reproduction.

Glands of the Endocrine System

• Pineal Gland-–Location- Inside

the brain.–Function-

Produces Melatonin- Hormone that controls our sleep cycle.

Glands of the Endocrine System

• Thymus-–Location-

Upper Chest.–Function-

Stimulates the creation of infection-fighting cells.

Glands of the Endocrine System

• Thyroid Gland- –Location- Below

the Larynx.–Function- Helps to

regulate metabolism, and controls how much calcium our bones absorb.

Glands of the Endocrine System

• Adrenal Glands-–Location- On top of

Kidneys.–Function- Adrenalin

controls how you react to stressful situations.

–Controls the Fight or Flight response.

Glands of the Endocrine System

• Pancreas- Function:–Makes the

insulin hormone that controls sugar levels in the blood.

Glands of the Endocrine System

• Testes- Function:–Makes

Testosterone- Hormone that controls male sex traits.

–Also used in sperm production.

Glands of the Endocrine System

• Ovaries- Function:–Makes Estrogen and

Progesterone- Hormones that control female sex characteristics.

–Also regulates the menstrual cycle.

What is Reproduction?

• The process that continues life on earth.

• Hormones from the endocrine system help control male and female reproduction.

Female Reproductive System• Ovaries- Female sex organs

that produce eggs. • Ovulation- The release of an

egg from the ovaries. • Once the egg leaves the ovary,

it enters a Fallopian Tube- Tube that connects the Ovary to the Uterus. – Fertilization of the egg occurs in

the Fallopian Tube.