Endocrine System

Which of the following is the function of the endocrine system?

• Control all the other body systems

• Exchange carbon dioxide and oxygen

• Transport nutrients, hormones and wastes through the body

• Help the nervous system maintain homeostasis in the body.

Tags

NGSS.HS-LS1-3

How is the endocrine system different from the nervous system?

A _________________ is a chemical message sent by a gland in the endocrine system.

Tags

NGSS.HS-LS1-3

True or False: Hormones only have to do with sex.

• True

• False

Can a hormone affect any cell?

• Yes, they affect all cells

• No, the cell has to have a matching receptor

• Maybe

• Depends on the situation

How does a hormone identify its target cell?

• protein receptors on the cells surface

• it is only sent to its target cell

• neurons transmit the hormone signal

• glands are the target cell

How do hormones get to their target cells?

• nerve impulses

• floating in the blood stream

• electric and chemical signals

• respiration

The two main types of hormones are _______________ hormones and _______________ hormones.

• nucleic acid

• amino acid

• steroid

• carbohydrate

True or false. All steroid hormones signal your muscle cells to divide and increase your athletic performance.

• True

• False

Which of the following are the two main changes a hormone can cause in a cell?

• close the cell membrane

• turn an enzyme on or off

• turn a gene on or off

• turn everything in the cell on or off