Chapter 2 Levels of organisation in multicellular organisms Flashcards
How many organ systems are there in the human body
11
What are the body parts involved and the main function of the endocrine system
Endocrine gland
Coordinates body activities
What are the body parts involved and the main function of the respiratory system
Trachea, nose, lung
Exchange of oxygen and carbon dioxide gases between body and the external environment
What are the body parts involved and the main function of the muscular system
Skeletal, smooth and cardiac muscle
Contracts and relaxes to produce movement in the body
What are the body parts involved and the main function of the male reproductive system
Penis, prostate gland
Produce sperm and male sex hormones
What are the body parts involved and the main function of the female reproductive system
Ovary, uterus, vagina
Produces ovum and female sex hormones
What are the body parts involved and the main function of the lymphatic system
Spleen, lymph nodes and vessels
Maintains balance of bodily fluids and prevents infectious diseases
What are the body parts involved and the main function of the nervous system
Brain, Spinal cord
Detects and sends information in the body, coordinate body activities
What are the body parts involved and the main function of the blood circulatory system?
Heart, artery, vein
Transport nutrients, respiratory gases and waste products
What are the body parts involved and the main function of the digestive system
Mouth, small and large intestine, stomach
Digests food into a simpler form for easy absorbtion
What are the body parts involved and the main function of the urinary system
Kidney, bladder
Eliminates waste products such as urea and uric acid in the body
What are the body parts involved and the main function of the skeletal system
Bone, cartilage, ligament, tendon
Supports the body, protects the internal organs and a base for muscle adhesion
What are the body parts involved and the main function of the integumentary system
Skin
Protects body from physical injury, infection and dehydration
Plant system is divided into what systems?
Root and shoot system
What does shoot system consist of?
Stem, leaves, flower, fruits, shoots
What are the roles of the stems and twigs
Support systems that support the leaves at a vertical position allowing maximum absorbtion of sunlight during photosynthesis
What is the role of the root system
Absorbs water and mineral salts and provides support for plants
