Endocrine & Nervous System HW

What are the levels of organization starting from simple to complex?

• cells- tissues- organs- organ systems- organisms-

• organisms- organ systems- organs- tissues- cells

• cells- organs- tissues- organ systems-

• tissue- cells- organs- organ systems- organisms-

Hormones are

• email messages

• chemical messages

• voicemail messages

• chemical markers

Endocrine glands secrete _

• Hormones

• Neurotransmitters

• A wide range of chemical substances

What is the endocrine system?

• A system of vessels that circulates blood around the body.

• A group of bones and tissue that provides support and structure for the body.

• A group of glands that work together with the nervous system to coordinate all body functions

• A group of organs that is responsible for eliminating wastes.

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.

The "master gland" is known as the __________________.

• thyroid gland.

• adrenal gland.

• pancreas.

• pituitary gland.

The adrenal glands release adrenaline to help the body regulate _________________.

• diseases

• body temperature.

• stress.

• hormones.

Which of the following are chemicals that travel in the blood and cause changes in different parts of the body?

• Hormones

• Glands

• Parathyroid

• Adrenal Gland

These two body systems regulate feedback mechanisms.

• Skeletal & Muscular

• Skeletal & Endocrine

• Muscular & Nervous

• Endocrine & Nervous

Hormone regulation operates under which type of feedback mechanism?

• positive feedback

• negative feedback

• zero feedback

• Hormones are not regulated