Question

What is an organ system ?
(a) Give two examples of organ systems in animals.
(b) Name the two main organ systems in plants .

Answer 1

Answer:

An organ system is a group of organs that work together as a biological system to perform one or more function

b)Musculo-skeletal muscle (meat) bones

Digestive stomach, liver, intestine, pancreas

Circulatory heart, blood vessels

Respiratory muzzle, windpipe.

c)Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system consists of two portions: the vegetative (non-reproductive) parts of the plant, such as the leaves and the stems, and the reproductive parts of the plant, which include flowers and fruits.

Answer 2

Organ systems

Explanation:

Organs are the body's recognizable structures that perform specific functions. An organ is made of several types of tissue and therefore several types of cells. An organ is a group of tissues with similar functions. Organs make up organ systems. Organ systems is a group of organs performing a specific function of the body. Plant life and animal life rely on many organs that coexist in organ systems.  

(a) Animal organ systems:

1. Digestive system (Mouth, Oesophagus, Stomach intestines, etc.)
2. Nervous system (Brain, spinal cord, nerves, etc.)

(b) Plant organ systems:

1. Reproductive system (Flower, fruits, seeds, etc.)
2. Root system (Root, root hairs, etc.)