endocrine system

Endocrine glands secrete _

• Hormones

• Neurotransmitters

• A wide range of chemical substances

What is the main function of the endocrine system?

• It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

• It creates electrical messages that are sent around the body to maintain homeostasis.

• It maintains the correct level of oxygen in the body to maintain homeostasis.

• It releases waste from the body to maintain homeostasis.

This gland is located between the lungs behind the sternum and secretes thymosin that helps mature WBC's in our bodies when we are children. 

• thyroid
• parathyroid
• thymus
• brain stem

Letter I is pointing to

• Testes
• Oviducts
• Ovaries
• Adrenals

Letter J is pointing to

• Ovaries

• Pineal Gland

• Adrenal

• Testes

The gland labeled 4 in the diagram is?

• the thymus gland

• the thyroid gland

• the parathyroid glands

• the adrenal glands

The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.

• Positive Feedback

• Negative Feedback

• Homeostasis

• Targeted Cells

What structure(s) shown in the picture above the kidneys?

• Thyroids

• Adrenal glands

• Testes

• Parathyroids

What structure is this?

• Pancreas

• Thyroid

• Parathyroid

• Adrenal glands

Negative Feedback Loops:

• amplify processes
• prevent small changes from getting larger
• are initiated during childbirth
• are found only in plants