Multicellular Biology - Reference Guides
Document Summary
L e a r n r e f e r e n c e r e v i e w. Skin, the largest organ, protects the body from abrasion, ultraviolet radiation, bacterial attack, and environmental insults (cid:13) (cid:13) (cid:13) (cid:13) v (cid:13) (cid:13) (cid:13) (cid:13) The kidney s glomerali filters 45 (cid:3) to 47. 5 gallons (170 to 180 l) of blood plasma in 24 hours s (cid:13) (cid:3) Action of skeletal muscles on bones moves the body. Bones serve as hard components that enclose and protect the brain, spinal cord, heart, lungs, and vital organs. They support and anchor skin and soft organs. Female skull is relatively smaller and lighter the muscular attachments are less conspicuous female forehead is longer vertically facial area is rounder and jaw is smaller. Female pelvic bones are lighter, thinner, and have less obvious muscular attachments. Female pelvic cavity is wider in all diameters, shorter, and less funnel- shaped.