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PUHSD ANATOMY AND PHYSIOLOGY 1H – 2H SCOPE AND SEQUENCE Quarter 1 Concepts 1 – Intro to Anatomy Scientific inquiry skills Identify and discuss medical prefixes, roots, and suffixes. Identify the terms referring to location, direction, planes, and sections of the body. Identify the body cavities and the organs they contain. 2 – Homeostasis, Cells and Tissues • • • • Homeostasis is the body’s way of regulating its internal environment Chemical reactions are constantly occurring in the body to maintain metabolism The body has a variety of cells Tissues are classified into four main categories: epithelial, connective, muscle, and nerve 3 – Integumentary System • • Skin is composed of three main layers: epidermis, dermis, and hypodermis/subcutaneous Skin structures inside hair, nails, sweat glands, and oil glands Quarter 2 Concepts 4 – Skeletal System • • • • • The skeletal system provides support and structure to the body Classification of bones include: long, short, flat, irregular Tendons and ligaments connect the skeletal and muscular systems to form joints There are many different bones of the body that make up the skeletal system There are many different disorders of the skeletal system 5 – Muscular System • • • • • There are three main types of muscle tissue: skeletal, cardiac, and smooth There are many different muscles The functions of muscles are movement, posture, and heat generation Tendons and ligaments connect the skeletal and muscular systems to allow movement There many different disorders of the muscular system Quarter 3 Concepts 7 – Endocrine System • • • • The endocrine system helps to maintain homeostasis in the body The endocrine system consists of many glands that must work together in order to function properly Hormones released from the endocrine glands coordinate and integrate body functions There many different disorders of the endocrine system Quarter 4 Concepts 11 – Digestive System • • • 12 – Urinary System • 8 – Cardiovascular System • • • • • The atriums are receiving chambers The ventricles pump blood to organs The sequence of blood flow through the heart is from the upper chambers through the lower chambers resulting in a variation of the pulmonary and systemic circuits The electrical sequence is a specific sequence that maintains heart rhythm The three types of blood vessels in the body are arteries, veins, and capillaries The digestive system is made of structural components that allow for the proper mechanics of absorption of nutrients and removal of waste A balanced diet is necessary for proper body function There many different disorders of the digestive system • • • • • The urinary system regulates the water balance of the body The urinary system is composed of two kidneys, two ureters, the bladder, and urethra Nephrons are the basic structure and functional units of the kidney The three processes of urine formation are filtration, reabsorption, and secretion Kidney failure is diminished or absence of urine formation There many different disorders of the urinary system PUHSD ANATOMY AND PHYSIOLOGY 1H – 2H SCOPE AND SEQUENCE • • The functions of skin include protection, temperature regulation, and sensory Homeostatic imbalances of skin include burns, wounds, and cancer 6 – Nervous System • • • • • • • The nervous system is composed of two major divisions: central (brain and spinal cord) and peripheral (cranial and spinal nerves) The three main parts of a neuron are the cell body, dendrites, and axon A synapse is where communication occurs between neurons The brain consists of three main parts: cerebrum, cerebellum and brain stem The meninges cover and protect the brain and spinal nerve are composed of three layers: dura mater, arachnoid, and pia matter The brain interprets sensations such as visual and auditory stimuli There many different disorders of the nervous system • • • Blood pressure is measured by the force exerted against the artery walls Myocardial infarction causes damage to the heart due to lack of oxygenated blood supply (heart attack) There many different disorders of the cardiovascular system 13 – Reproductive System • • • 9 – Lymphatic System • • • • The lymphatic system is a system of vessels that assist in circulating body fluids The functions of the lymphatic system are defense and transportation There are several types of cells and glands that make up the lymphatic system Disorders of the lymphatic system can cause homeostatic imbalances in other body systems • 14 – Genetics • • • 10 – Respiratory System • • • The respiratory system is made of structural components that allow for the proper mechanics of breathing The diaphragm plays an important role in the mechanics of breathing The respiratory and cardiovascular systems work in tandem by The key differences in male and female reproductive organs Manufacturing of hormones is necessary for the proper reproductive functions and secondary sex characteristics Fertilization occurs when the sperm nucleus combines with the egg nucleus to form a zygote There many different disorders of the reproductive system • • • Explain how genes can have many alleles (variants), but a person can have only two alleles of a particular gene Distinguish among the models of inheritance Explain how gene expression varies among individuals Describe how genes and the environment interact to produce complex traits Describe how traits are transmitted on the sex chromosomes and how gender affects gene expression Explain how deviations in chromosomes number or PUHSD ANATOMY AND PHYSIOLOGY 1H – 2H SCOPE AND SEQUENCE • exchanging gases between the alveoli and the capillaries There many different disorders of the respiratory system arrangement can harm health and how these abnormalities are detected