science

Ventricle

The lower chamber of the heart that pumps blood out

Aorta

The largest artery in the body that pumps oxygenated blood from the heart to the rest of the body

Vena cava

Large vein that returns blood to the heart

Atruim

Upper chamber of the heart (blood enters the atruim)

Pulmonary artery

The artery that caries blood from the heart to the lungs

Pulmonary vein

This carries blood from the lungs to the heart

Zygote

Fertalised egg cell that begins dividing quickly

Feotus

Developing baby after about 8 weeks it grows rapidly during pregnancy

Placenta

Organ that provides nutrients and oxygen to the foetus it also suplies oxygen

Embryo

Early stages of a developing baby it develops very early on in the pregnancy

Umbelical cord

Connects the foetus to the placenta it also carries nutrients

Amniotic sac

Protective sac surrounding the feotus it coushins the baby

Amniotic fluid

Fluid that protects the baby by absorbing shock

Uterus

organ where the baby develops it stretches during pregnancy

Oviduct

Tube carrying egg from ovary to uterus fertalisation happens in the oviduct

Cervix

Ring of musclr separating uterus and vigina the cervis stays closed during pregnancy

Testes

Male organs that produce sperm cells

Sperm duct

Tube transporting sperm from testes

Semen

Mixture of sperm and fluids Wich contains sperm cells

Red blood cells

Blood cells that carry oxygen

Heamoglobin

Protien in red blood cells that carries oxygen

White blood cells

Blood cell that fight infection,destroy pathogend and prevent disease

Platelet

Blood fragment that help’s clotting and stop bleeding

Plasma

Liquid part of blood carrying substance

Artery

Blood vessel carrying blood away from the heart