The heart is part of the cardiovascular system and is made of cardiac muscle. Cardiac muscle has special characteristics that distinguish it from other types of muscle tissue. Which of the following are characteristics of cardiac muscle? Check all that apply.

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Which of the following is the most likely outcome of global warming