Endocrine System

Endocrine glands secrete _

• Hormones

• Neurotransmitters

• A wide range of chemical substances

Tags

NGSS.HS-LS1-3

An organ that produces secretions called hormones is known as a :

• chemical
• gland
• hormone
• duct

Negative Feedback Loops:

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

Tags

NGSS.HS-LS1-3

The two types of feedback systems that help organisms maintain homeostasis are:

• positive and negative 
• receptor and effector
• static and dynamic
• minor and major

Tags

NGSS.HS-LS1-3

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed. This is an example of what type of feedback?

• Positive Feedback Response

• Negative Feedback Loop

Tags

NGSS.HS-LS1-3

Cells that have receptors for a particular hormone.

• gland cells

• neurons

• hormones

• target cells

What structure is this?

• Pancreas

• Thyroid

• Parathyroid

• Adrenal glands

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

• Thyroids

• Adrenal glands

• Testes

• Parathyroids

Tags

NGSS.HS-LS1-2

The gland labeled 4 in the diagram is?

• the thymus gland

• the thyroid gland

• the parathyroid glands

• the adrenal glands

Letter H is pointing to

• Thymus
• Pancreas
• Pituitary
• Pineal