The Substance in Horsetail Stems That Makes Them Suitable for Scouring

question 4

Multiple Choice

The substance in horsetail stems that makes them suitable for scouring is

• A) magnesium salts.
• B) silica.
• C) calcium carbonate.
• D) table salt.
• E) potassium chloride.

Analyze how animals regulate water and salt balance through osmoregulation.

Understand the roles and sources of different hormones within the human body.

Compare the response times and effects of the endocrine and nervous systems.

Identify the mechanisms through which hormones exert their effects, including second messengers.