The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

The plant cell has chloroplasts and a cell wall and animal cells do not.

Chloroplasts absorb sunlight, water, and carbon dioxide to make food for the plant. It captures light energy from the sun to make the plant green.

Cell Walls are composed mainly of cellulose and lying outside the cell membrane and gives the plant a stem.

Muscle- One of the four major tissue types, plays the vital role of providing movement and heat generation to the organs of the body. Skeletal muscle, cardiac muscle, and smooth muscle.

Nerve- Nerve cells are the primary cells in the nervous system they are responsible for relaying electrical messages to cells and tissues in other organ systems. Serves as the manager of the body, since it controls the functions of every other system.

Bone- Osteoclasts are in the first category. They resorb (dissolve) the bone. The other category is the osteoblast family, which consists of osteoblasts that form bone, osteocytes that help maintain bone, and lining cells that cover the surface of the bone.

A tissue is made up of a group of cells that usually look similar to one another and come from the same region in a developing embryo. The group of cells that make up a tissue have phsycological functions that work together in a coordinated way to support special functions. The special function of a tissue is also influenced by the kind of material that surrounds the tissue and by communication among the cells of the tissue. Different kinds of tissue have different physical properties. Tissues may be hard (bone), soft (muscle), or even liquid (blood).

Digestion is the breakdown of food into small molecules, which are then absorbed into the body. Circulatory system functions to transport blood and oxygen from the lungs to the various tissues of the body. The heart pumps the blood throughout the body. Respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body. The respiratory system does this through breathing. These systems interacts by gathering oxygen and carrying it to other parts of the body and the digestive system is dependent on the respiratory system to digest food properly.

The Paramecium has the same parts as a normal animal cell so it has the same role as the other cells do to keep us living and healthy and strong.

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2 years ago

Great job! You totally get this!