Organization of Living Things

the most basic building blocks of life

(a)  

a group of many similar cells that share a common structure and work together to perform a specific function

1 min audio

There are four basic types of human tissues

• Connective & Epithelial Tissue

• Muscle & Nerve Tissue

• None of Them

• 2 of Them are Correct

a group of similar tissues arranged in a specific manner to perform a specific physiological function

(a)  

a group of two or more organs that work together to perform a specific physiological function

1 min audio

Tell me something about one of the body systems.

1 min video

the highest level of organization—a complete living system capable of conducting all of life’s biological processes

• Organ

• Tissue

• Organism

• Cell

Which of the following is not a macromolecule that makes up the structural and functional units of cells?

• Proteins

• Carbohydrates

• Alcohols

• Lipids

True or False: The enterocytes of the intestines are replaced every few weeks.

(a)  

Which of the following organelles of the cell houses the genetic material DNA?

• Golgi Apparatus

• Nucleus

• Ribosomes

• Lysosomes