Leaves Stems Roots Buds Flowers.

Major organ systems

Major Plant Organs

Leaves Stems Roots Buds Flowers

Edible Roots

Edible Stems

Edible Leaves

Edible Seeds

Root System

Consists of roots Two types of root systems : Fibrous roots Tap roots

Major Organ Systems in Humans

Skeletal System

Types of Joints

Immovable e.g. those between the skull bones

Moveable Joints

Hinge Joints Ball and Socket

Hinge Joints

More Hinge Joints

Ball and Socket Joints

More Ball and socket joints

Interesting Fact

The joint in the lower jaw may seem to be a hinge joint

However it is not a hinge joint and is called the Temperomandibular Joint

This joint is in constant use during chewing, swallowing, talking, and laughing. Some of these movements involve rotation of the joint and some are sliding movements.

Muscle System

Skeletal Muscles

Automatically controlled by the brain:

a. Cardiac Muscles in the heart

b. Smooth Muscles in organ such as the alimentary canal

Antagonistic Muscles

Antagonistic muscles work in pair.

The pair of muscles work in an opposite manner to each other

Antagonitic Muscles in the Arm

Some antagonistic muscle pairs

Circulatory system Contains the heart, arteries, veins and

capillaries

Provides oxygenated blood to all parts of the body and carries away the waste from the body in the form of deoxygenated blood

The Heart

Path taken by blood

The digestive system

Organ present are oesophagus, stomach and intestines

Other organs include liver and pancreas

Functions: breakdown and absorption of food ith the help of enzymes

The respiratory system

Organs: lungs, breathing tubes ( trachea, bronchi, bronchioles)

Allows gas exchange

Smoking damages lungs

Position of lungs, diaphragm and ribcage while exhaling and Inhaling

Excretory system

Organs: kidneys and bladder

Remove waste such as urea in the form of urine

The liver, skin, lungs and large intestine also play a role in getting rid of waste from the body

Other systems

ENDOCRINE SYSTEMSENSORY SYSTEM

Organ :Glands

Produces Hormones E.g. Adrenal gland

produce adrenaline Functioning as an

endocrine gland, the pancreas secretes the hormones insulin and glucagon to control blood sugar levels throughout the day.

Eyes, ears, nose, tongue and skin

Provides information about the surroundings to the brain

Leaves Stems Roots Buds Flowers.

Documents

Transcript of Leaves Stems Roots Buds Flowers.

Root System Stems Leaves Flowers Other.

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